Daily bump.

[gcc.git] / gcc / fortran / ChangeLog

2021-03-15  Paul Thomas  <pault@gcc.gnu.org>

        Backported from master:
        2021-03-15  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/99545
        * trans-stmt.c (gfc_trans_allocate): Mark the initialization
        assignment by setting init_flag.

2021-02-26  Harald Anlauf  <anlauf@gmx.de>

        Backported from master:
        2021-01-14  Harald Anlauf  <anlauf@gmx.de>

        * gfortran.h (gfc_resolve_substring): Add prototype.
        * primary.c (match_string_constant): Simplify substrings with
        constant starting and ending points.
        * resolve.c: Rename resolve_substring to gfc_resolve_substring.
        (gfc_resolve_ref): Use renamed function gfc_resolve_substring.

2021-02-24  Paul Thomas  <pault@gcc.gnu.org>

        Backported from master:
        2021-02-23  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/99124
        * resolve.c (resolve_fl_procedure): Include class results in
        the test for F2018, C15100.
        * trans-array.c (get_class_info_from_ss): Do not use the saved
        descriptor to obtain the class expression for variables. Use
        gfc_get_class_from_expr instead.

2021-02-23  Harald Anlauf  <anlauf@gmx.de>

        Backported from master:
        2021-02-21  Harald Anlauf  <anlauf@gmx.de>

        * trans-expr.c (gfc_conv_procedure_call): Do not add clobber to
        allocatable intent(out) argument.

2021-02-11  Paul Thomas  <pault@gcc.gnu.org>

        Backported from master:
        2021-02-11  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/99060
        * primary.c (gfc_match_varspec): Test for non-null 'previous'
        before using its name in the error message.

2021-01-28  Harald Anlauf  <anlauf@gmx.de>

        Backported from master:
        2021-01-28  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/86470
        * trans.c (gfc_call_malloc): Allocate area of size 1 if passed
        size is NULL (as documented).

2021-01-25  Paul Thomas  <pault@gcc.gnu.org>

        Backported from master:
        2021-01-25  Steve Kargl  <kargl@gcc.gnu.org>

        PR fortran/98517
        * resolve.c (resolve_charlen): Check that length expression is
        present before testing for scalar/integer..

2021-01-25  Paul Thomas  <pault@gcc.gnu.org>

        Backported from master:
        2020-12-29  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/93833
        * trans-array.c (get_array_ctor_var_strlen): If the character
        length backend_decl cannot be found, convert the expression and
        use the string length. Clear up some minor white space issues
        in the rest of the file.

2021-01-23  Paul Thomas  <pault@gcc.gnu.org>

        Backported from master:
        2020-12-26  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/98022
        * data.c (gfc_assign_data_value): Throw an error for inquiry
        references. Follow with corrected code that would provide the
        expected result and provides clean error recovery.

2021-01-23  Paul Thomas  <pault@gcc.gnu.org>

        Backported from master:
        2020-12-12  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/98022
        * data.c (gfc_assign_data_value): Handle inquiry references in
        the data statement object list.

2021-01-19  Tobias Burnus  <tobias@codesourcery.com>

        Backported from master:
        2020-01-04  Tobias Burnus  <tobias@codesourcery.com>

        PR fortran/91640
        * trans-expr.c (gfc_conv_procedure_call): Avoid copy-out for nonvariable
        arguments to contiguous dummy args.  Avoid re-checking whether fsym is
        NULL.

2021-01-07  Harald Anlauf  <anlauf@gmx.de>

        Backported from master:
        2021-01-06  Harald Anlauf  <anlauf@gmx.de>

        * resolve.c (resolve_component): Add check for valid CLASS
        reference before trying to access CLASS data.

2021-01-07  Paul Thomas  <pault@gcc.gnu.org>

        Backported from master:
        2020-08-02  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/96325
        * primary.c (gfc_match_varspec): In the case that a component
        reference is added to an intrinsic type component, emit the
        error message in this function.

2021-01-07  Paul Thomas  <pault@gcc.gnu.org>

        Backported from master:
        2020-12-26  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/83118
        * trans-array.c (gfc_alloc_allocatable_for_assignment): Make
        sure that class expressions are captured for dummy arguments by
        use of gfc_get_class_from_gfc_expr otherwise the wrong vptr is
        used.
        * trans-expr.c (gfc_get_class_from_gfc_expr): New function.
        (gfc_get_class_from_expr): If a constant expression is
        encountered, return NULL_TREE;
        (gfc_trans_assignment_1): Deallocate rhs allocatable components
        after passing derived type function results to class lhs.
        * trans.h : Add prototype for gfc_get_class_from_gfc_expr.

2021-01-07  Paul Thomas  <pault@gcc.gnu.org>

        Backported from master:
        2020-12-18  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/83118
        PR fortran/96012
        * resolve.c (resolve_ordinary_assign): Generate a vtable if
        necessary for scalar non-polymorphic rhs's to unlimited lhs's.
        * trans-array.c (get_class_info_from_ss): New function.
        (gfc_trans_allocate_array_storage): Defer obtaining class
        element type until all sources of class exprs are tried. Use
        class API rather than TREE_OPERAND. Look for class expressions
        in ss->info by calling get_class_info_from_ss. After, obtain
        the element size for class descriptors. Where the element type
        is unknown, cast the data as character(len=size) to overcome
        unlimited polymorphic problems.
        (gfc_conv_ss_descriptor): Do not fix class variable refs.
        (build_class_array_ref, structure_alloc_comps): Replace code
        replicating the new function gfc_resize_class_size_with_len.
        (gfc_alloc_allocatable_for_assignment): Obtain element size
        for lhs in cases of deferred characters and class enitities.
        Move code for the element size of rhs to start of block. Clean
        up extraction of class parameters throughout this function.
        After the shape check test whether or not the lhs and rhs
        element sizes are the same. Use earlier evaluation of
        'cond_null'. Reallocation of lhs only to happen if size changes
        or element size changes.
        * trans-expr.c (gfc_resize_class_size_with_len): New function.
        (gfc_get_class_from_expr): If a constant expression is
        encountered, return NULL_TREE;
        (trans_scalar_class_assign): New function.
        (gfc_conv_procedure_call): Ensure the vtable is present for
        passing a non-class actual to an unlimited formal.
        (trans_class_vptr_len_assignment): For expressions of type
        BT_CLASS, extract the class expression if necessary. Use a
        statement block outside the loop body. Ensure that 'rhs' is
        of the correct type. Obtain rhs vptr in all circumstances.
        (gfc_trans_scalar_assign): Call trans_scalar_class_assign to
        make maximum use of the vptr copy in place of assignment.
        (trans_class_assignment): Actually do reallocation if needed.
        (gfc_trans_assignment_1): Simplify some of the logic with
        'realloc_flag'. Set 'vptr_copy' for all array assignments to
        unlimited polymorphic lhs.
        * trans.c (gfc_build_array_ref): Call gfc_resize_class_size_
        with_len to correct span for unlimited polymorphic decls.
        * trans.h : Add prototype for gfc_resize_class_size_with_len.

2021-01-06  Tobias Burnus  <tobias@codesourcery.com>

        Backported from master:
        2020-04-14  Tobias Burnus  <tobias@codesourcery.com>

        * module.c (gfc_match_use): Fix name-conflict check for use-associating
        the same symbol again in a submodule.

2021-01-04  Harald Anlauf  <anlauf@gmx.de>

        Backported from master:
        2021-01-01  Harald Anlauf  <anlauf@gmx.de>

        * class.c (gfc_find_vtab): Add check on attribute is_class.

2021-01-04  Tobias Burnus  <tobias@codesourcery.com>

        Backported from master:
        2020-12-17  Tobias Burnus  <tobias@codesourcery.com>

        PR fortran/92587
        * match.c (gfc_match_assignment): Move gfc_find_vtab call from here ...
        * resolve.c (gfc_resolve_code): ... to here.

2021-01-04  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/96320
        * interface.c (gfc_check_dummy_characteristics): If a module
        procedure arrives with assumed shape in the interface and
        deferred shape in the procedure itself, update the latter and
        copy the lower bounds.

2021-01-04  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/94246
        * expr.c (scalarize_intrinsic_call): Remove the error checking.
        Make a copy of the expression to be simplified and only replace
        the original if the simplification succeeds.

2020-12-29  Harald Anlauf  <anlauf@gmx.de>

        Backported from master:
        2020-12-25  Harald Anlauf  <anlauf@gmx.de>

        * data.c (gfc_assign_data_value): Restrict use of
        create_character_initializer to constant initializers.
        * trans-expr.c (gfc_conv_initializer): Ensure that character
        initializer is constant, otherwise fall through to get the same
        error handling as for non-character cases.

2020-12-28  Paul Thomas  <pault@gcc.gnu.org>

        Backported from master:
        2020-08-20  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/96100
        PR fortran/96101
        * trans-array.c (get_array_charlen): Tidy up the evaluation of
        the string length for array constructors. Avoid trailing array
        references. Ensure string lengths of deferred length components
        are set. For parentheses operator apply string  length to both
        the primary expression and the enclosed expression.

2020-12-23  Harald Anlauf  <anlauf@gmx.de>

        Backported from master:
        2020-12-17  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/98307
        * trans-stmt.c (check_forall_dependencies): Extend dependency
        check to allocatable components of derived types.

2020-12-11  Harald Anlauf  <anlauf@gmx.de>

        Backported from master:
        2020-11-29  Harald Anlauf  <anlauf@gmx.de>

        * expr.c (simplify_parameter_variable): Fix up character length
        after copying an array-valued expression.

2020-12-04  Harald Anlauf  <anlauf@gmx.de>

        Backported from master:
        2020-12-03  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/95342
        * decl.c (gfc_match_function_decl): Avoid NULL pointer dereference.
        (gfc_match_subroutine): Likewise.

2020-11-12  Tobias Burnus  <tobias@codesourcery.com>

        Backported from master:
        2020-11-10  Tobias Burnus  <tobias@codesourcery.com>

        PR fortran/95847
        * trans-decl.c (gfc_get_symbol_decl): Do not (re)set the location
        of an external procedure.
        (build_entry_thunks, generate_coarray_init, create_main_function,
        gfc_generate_function_code): Use fndecl's location in BIND_EXPR.

2020-11-06  Tobias Burnus  <tobias@codesourcery.com>

        Backported from master:
        2020-11-06  Tobias Burnus  <tobias@codesourcery.com>

        PR fortran/97652
        * module.c (mio_symbol): Fix symbol name for pdt_type.

2020-10-08  Harald Anlauf  <anlauf@gmx.de>

        Backported from master:
        2020-10-04  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/97272
        * trans-intrinsic.c (strip_kind_from_actual): Helper function for
        removal of KIND argument.
        (gfc_conv_intrinsic_minmaxloc): Ignore KIND argument here, as it
        is treated elsewhere.

2020-09-28  Mark Eggleston  <markeggleston@gcc.gnu.org>

        Revert:
        2020-09-27  Steven G. Kargl  <kargl@gcc.gnu.org>
                    Mark Eggleston  <markeggleston@gcc.gnu.org>

        PR fortran/95614
        * decl.c (gfc_get_common): Use gfc_match_common_name instead
        of match_common_name.
        * decl.c (gfc_bind_idents): Use gfc_match_common_name instead
        of match_common_name.
        * match.c : Rename match_common_name to gfc_match_common_name.
        * match.c (gfc_match_common): Use gfc_match_common_name instead
        of match_common_name.
        * match.h : Rename match_common_name to gfc_match_common_name.
        * resolve.c (resolve_common_vars): Check each symbol in a
        common block has a global symbol.  If there is a global symbol
        issue an error if the symbol type is known as is not a common
        block name.

2020-09-27  Mark Eggleston  <markeggleston@gcc.gnu.org>

        Backported from master:
        2020-09-27  Steven G. Kargl  <kargl@gcc.gnu.org>
                    Mark Eggleston  <markeggleston@gcc.gnu.org>

        PR fortran/95614
        * decl.c (gfc_get_common): Use gfc_match_common_name instead
        of match_common_name.
        * decl.c (gfc_bind_idents): Use gfc_match_common_name instead
        of match_common_name.
        * match.c : Rename match_common_name to gfc_match_common_name.
        * match.c (gfc_match_common): Use gfc_match_common_name instead
        of match_common_name.
        * match.h : Rename match_common_name to gfc_match_common_name.
        * resolve.c (resolve_common_vars): Check each symbol in a
        common block has a global symbol.  If there is a global symbol
        issue an error if the symbol type is known as is not a common
        block name.

2020-09-19  Tobias Burnus  <tobias@codesourcery.com>

        Backported from master:
        2020-09-17  Tobias Burnus  <tobias@codesourcery.com>

        PR fortran/96041
        PR fortran/93423
        * decl.c (gfc_match_submod_proc): Avoid later double-free
        in the error case.

2020-09-19  Harald Anlauf  <anlauf@gmx.de>

        Backported from master:
        2020-07-02  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/93423
        * resolve.c (resolve_symbol): Avoid NULL pointer dereference.

2020-09-08  Thomas Koenig  <tkoenig@gcc.gnu.org>

        Backported from master:
        2020-09-08  Thomas Koenig  <tkoenig@gcc.gnu.org>

        * intrinsic.texi: Fix description of FINDLOC result.

2020-08-27  Mark Eggleston  <markeggleston@gcc.gnu.org>

        Backported from master:
        2020-08-27  Mark Eggleston  <markeggleston@gcc.gnu.org>

        PR fortran/95882
        * decl.c (char_len_param_value): Check gfc_seen_div0 and
        if it is set return MATCH_ERROR.

2020-07-27  Mark Eggleston  <markeggleston@gcc.gnu.org>

        Backported from master:
        2020-07-14  Steven G. Kargl  <kargl@gcc.gnu.org>
                    Mark Eggleston  <markeggleston@gcc.gnu.org>

        PR fortran/95612
        * expr.c (gfc_check_pointer_assigb): Output an error if
        rvalue is a zero sized array or output an error if rvalue
        doesn't have a symbol tree.

2020-07-26  Mark Eggleston  <markeggleston@gcc.gnu.org>

        Backported from master:
        2020-06-22  Steven G. Kargl  <kargl@gcc.gnu.org>
                    Mark Eggleston  <markeggleston@gcc.gnu.org>

        PR fortran/95585
        * check.c (gfc_check_reshape): Add check for a value when
        the symbol has an attribute flavor FL_PARAMETER.

2020-07-23  Harald Anlauf  <anlauf@gmx.de>

        Backported from master:
        2020-07-21  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/89574
        * trans-decl.c (gfc_get_extern_function_decl): Check whether a
        symbol belongs to a different module.

2020-07-23  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/96018
        * frontend-passes.c (gfc_check_externals): Adjust formatting.
        (implicit_pure_call): New function.
        (implicit_pure_expr): New function.
        (gfc_fix_implicit_pure): New function.
        * gfortran.h (gfc_fix_implicit_pure): New prototype.
        * parse.c (translate_all_program_units): Call gfc_fix_implicit_pure.

2020-07-23  Thomas Koenig  <tkoenig@gcc.gnu.org>

        Backported from master:
        2020-07-19  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/96220
        * dump-parse-tree.c (get_c_type_name): Always use the entries from
        c_interop_kinds_table to find the correct C type.

2020-07-08  Harald Anlauf  <anlauf@gmx.de>

        Backported from master:
        2020-07-06  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/95709
        * resolve.c (gfc_resolve_code): Check for valid arguments to
        assigned GOTO.

2020-07-07  Harald Anlauf  <anlauf@gmx.de>

        Backported from master:
        2020-07-02  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/93337
        * class.c (gfc_find_derived_vtab): Punt if name is not set.

2020-07-05  Harald Anlauf  <anlauf@gmx.de>

        Backported from master:
        2020-06-30  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/88379
        * resolve.c (resolve_assoc_var): Avoid NULL pointer dereference.

2020-07-01  Harald Anlauf  <anlauf@gmx.de>

        Backported from master:
        2020-06-29  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/71706
        * trans-stmt.c (gfc_trans_sync): Do proper kind conversion in
        bounds-checking code.

2020-07-01  Harald Anlauf  <anlauf@gmx.de>

        Backported from master:
        2020-06-28  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/95880
        * symbol.c (gfc_add_type): If sym->ns->proc_name is set, use it,
        otherwise fall back to sym->name.

2020-07-01  Mark Eggleston  <markeggleston@gcc.gnu.org>

        Backported from master:
        2020-07-01  Steven G. Kargl  <kargl@gcc.gnu.org>
                    Mark Eggleston  <markeggleston@gcc.gnu.org>

        PR fortran/95829
        * decl.c (gfc_match_decl_type_spec): Compare with "* ) " instead
        of "*)".

2020-06-30  Thomas Koenig  <tkoenig@gcc.gnu.org>

        Backported from master:
        2020-06-29  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/95743
        * trans-decl.c (gfc_generate_function_code): Do not generate
        recursion check for compiler-generated procedures.

2020-06-27  Harald Anlauf  <anlauf@gmx.de>

        Backported from master:
        2020-06-27  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/95881
        * resolve.c (resolve_symbol): Avoid NULL pointer dereference.

2020-06-24  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/95689
        * interface.c (check_sym_interfaces): Enlarge temporary buffer,
        and add check on length on mangled name to prevent overflow.

2020-06-23  Harald Anlauf  <anlauf@gmx.de>

        Backported from master:
        2020-06-20  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/95689
        * interface.c (check_sym_interfaces): Enlarge temporary buffer,
        and add check on length on mangled name to prevent overflow.

2020-06-23  Harald Anlauf  <anlauf@gmx.de>

        Backported from master:
        2020-06-20  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/95587
        * match.c (gfc_match_equivalence): Check constraints on
        EQUIVALENCE objects also for CLASS variables.

2020-06-23  Mark Eggleston  <markeggleston@gcc.gnu.org>

        Backported from master:
        2020-06-22  Steven G. Kargl  <kargl@gcc.gnu.org>
                    Mark Eggleston  <markeggleston@gcc.gnu.org>

        PR fortran/95708
        * intrinsic.c (add_functions): Replace CLASS_INQUIRY with
        CLASS_TRANSFORMATIONAL for intrinsic num_images.
        (make_generic): Replace ACTUAL_NO with ACTUAL_YES for
        intrinsic team_number.
        * resolve.c (resolve_fl_procedure): Check pointer ts.u.derived
        exists before using it.

2020-06-14  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/95503
        * expr.c (gfc_check_pointer_assign): Skip contiguity check of rhs
        of pointer assignment if lhs cannot be simply contiguous.

2020-06-14  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/94109
        * class.c (finalize_component): Return early if finalization has
        already happened for expression and component within namespace.
        * gfortran.h (gfc_was_finalized): New type.
        (gfc_namespace): Add member was_finalzed.
        (gfc_expr): Remove finalized.
        * symbol.c (gfc_free_namespace): Free was_finalized.

2020-06-11  Harald Anlauf  <anlauf@gmx.de>
            Steven G. Kargl   <kargl@gcc.gnu.org>

        PR fortran/95611
        * decl.c (access_attr_decl): Use correct symbol in error message.

2020-06-11  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/95091
        * class.c (gfc_hash_value): Add cast.

2020-06-11  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/95091
        * class.c (get_unique_type_string, gfc_hash_value): Enlarge
        buffers, and check whether the strings returned by
        get_unique_type_string() fit.

2020-06-05  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/95373
        * primary.c (is_inquiry_ref): Move validity check of inquiry
        references against selected Fortran standard from here...
        (gfc_match_varspec) ...to here.

2020-06-05  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/95373
        * primary.c (is_inquiry_ref): Check validity of inquiry
        references against selected Fortran standard.

2020-06-05  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/95106
        * trans-common.c (gfc_sym_mangled_common_id): Enlarge temporaries
        for name-mangling.

2020-06-05  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/95530
        PR fortran/95537
        * decl.c (gfc_match_decl_type_spec): Enlarge buffer, and enhance
        string copy to detect buffer overflow.
        * gfortran.h (gfc_common_head): Enlarge buffer.
        * trans-common.c (finish_equivalences): Enhance string copy to
        detect buffer overflow.

2020-06-05  Steven G. Kargl  <kargl@gcc.gnu.org>
            Harald Anlauf  <anlauf@gmx.de>

        PR fortran/95500
        * trans-expr.c (gfc_conv_expr_reference): Do not dereference NULL
        pointer.

2020-06-01  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/94361
        * class.c (finalize_component): Use expr->finalized instead of
        comp->finalized.
        * gfortran.h (gfc_component): Remove finalized member.
        (gfc_expr): Add it here instead.

2020-05-28  Steven G. Kargl  <kargl@gcc.gnu.org>
            Mark Eggleston  <markeggleston@gcc.gnu.org>
            Mark Eggleston  <markeggleston@gcc.gnu.org>

        PR fortran/94397
        * match.c (gfc_match_type_spec): New variable ok initialised
        to true. Set ok with the return value of gfc_reduce_init_expr
        called only if the expression is not EXPR_CONSTANT and is not
        EXPR_VARIABLE. Add !ok to the check for type not being integer
        or the rank being greater than zero.

2020-05-28  Tobias Burnus  <tobias@codesourcery.com>
            Mark Eggleston  <markeggleston@gnu.gcc.org>

        PR fortran/50392
        * trans-decl.c (gfc_get_symbol_decl): Remove unnecessary block
        delimiters.  Add auxiliary variables if a label is assigned to
        a return variable. (gfc_gat_fake_result): If the symbol has an
        assign attribute set declaration from the symbol's backend
        declaration.

2020-05-27  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR libfortran/95191
        * libgfortran.h (libgfortran_error_codes): Add
        LIBERROR_BAD_WAIT_ID.

2020-05-20  Mark Eggleston  <markeggleston@gcc.gnu.org>

        PR fortran/39695
        * resolve.c (resolve_fl_procedure): Set name depending on
        whether the result attribute is set.  For PROCEDURE/RESULT
        conflict use the name in sym->ns->proc_name->name.
        * symbol.c (gfc_add_type): Add check for function and result
        attributes use sym->ns->proc_name->name if both are set.
        Where the symbol cannot have a type use the name in
        sym->ns->proc_name->name.

2020-05-13  Mark Eggleston  <markeggleston@gcc.gnu.org>

        Backported from master
        2020-05-13  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/93497
        * decl.c (char_len_param_value): Check whether character
        length expression is of type EXPR_OP and if so simplify it.
        * resolve.c (resolve_charlen): Reject length if it has a
        rank.

2020-05-11  Mark Eggleston  <markeggleston@gcc.gnu.org>

        Backported from mainline
        2020-05-11  Janus Weil  <janus@gcc.gnu.org>
                    Dominique d'Humieres  <dominiq@lps.ens.fr>

        PR fortran/59107
        * gfortran.h: Rename field resolved as resolve_symbol_called
        and assign two 2 bits instead of 1.
        * interface.c (gfc_find_typebound_dtio_proc): Use new field name.
        * resolve.c (gfc_resolve_intrinsic): Replace check of the formal
        field with resolve_symbol_called is at least 2, if it is not
        set the field to 2.  (resolve_typebound_procedure): Use new field
        name.  (resolve_symbol): Use new field name and check whether it
        is at least 1, if it is not set the field to 1.

2020-05-04  Tobias Burnus  <tobias@codesourcery.com>

        Backport from mainline.
        2020-03-08  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/93581
        * resolve.c (gfc_resolve_ref): Modify array refs to be elements
        if the ref chain ends in INQUIRY_LEN.
        * trans-array.c (gfc_get_dataptr_offset): Provide the offsets
        for INQUIRY_RE and INQUIRY_IM.

2020-04-27  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/93956
        PR fortran/94788
        * expr.c (gfc_check_pointer_assign): Revert patch for PR 93956.
        * interface.c: Likewise.

2020-04-24  Thomas Koenig  <tkoenig@gcc.gnu.org>

        Backport from trunk
        PR fortran/93956
        * expr.c (gfc_check_pointer_assign): Also set subref_array_pointer
        when a function returns a pointer.
        * interface.c (gfc_set_subref_array_pointer_arg): New function.
        (gfc_procedure_use): Call it.

2020-04-20  Harald Anlauf  <anlauf@gmx.de>

        Backport from mainline.
        PR fortran/93364
        * array.c (gfc_set_array_spec): Check for sum of rank and corank
        not exceeding GFC_MAX_DIMENSIONS.

2020-04-14  Thomas Koenig  <tkoenig@gcc.gnu.org>

        Backport from trunk.
        PR fortran/94270
        * trans-decl.c (generate_local_decl): Do not warn if the
        symbol is artifical.

2020-04-06  Fritz Reese  <foreese@gcc.gnu.org>

        Backport from master
        Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/93686
        * decl.c (gfc_match_data): Handle data matching for derived type
        pointers.

2020-04-02  Mark Eggleston <markeggleston@gcc.gnu.org>

        Backport from master
        Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/93498
        * check.c (gfc_check_findloc):  If the kinds of the arguments
        differ goto label "incompat".

2020-04-02  Mark Eggleston <markeggleston@gcc.gnu.org>

        Backport from master
        2020-04-02  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/94030
        * resolve.c (resolve_equivalence): Correct formatting
        around the label "identical_types".  Instead of using
        gfc_resolve_array_spec use is_non_constants_shape_array
        to determine whether the array can be used in a in an
        equivalence statement.

2020-03-28  Tobias Burnus  <tobias@codesourcery.com>

        Backport from mainline
        2020-03-28  Tobias Burnus  <tobias@codesourcery.com>

        PR fortran/94348
        * decl.c (gfc_match_submod_proc): Add result var to the
        proc's namespace.

2020-03-25  Mark Eggleston <markeggleston@gcc.gnu.org>

        Backport from master
        2020-03-25  Mark Eggleston <markeggleston@gcc.gnu.org>

        PR fortran/93484
        * match.c (gfc_match_type_spec): Replace gfc_match_init_expr with
        gfc_match_expr. Return m if m is MATCH_NO or MATCH_ERROR.

2020-03-12  Release Manager

        * GCC 9.3.0 released.

2020-03-05  Paul Thomas  <pault@gcc.gnu.org>

        Backport from trunk
        PR fortran/92976
        * match.c (select_type_set_tmp): Variable 'selector' to replace
        select_type_stack->selector. If the selector array spec has
        explicit bounds, make the temporary's bounds deferred.

2020-02-19  Mark Eggleston  <markeggleston@gcc.gnu.org>

        Backported from mainline
        2020-02-18  Mark Eggleston  <markeggleston@gcc.gnu.org>

        PR fortran/93714
        * expr.c (gfc_check_pointer_assign): Move check for
        matching character length to after checking the lvalue
        attributes for target or pointer.

2020-02-18  Mark Eggleston  <markeggleston@gcc.gnu.org>

        Backported from mainline
        2020-02-18  Steven G. Kargl  <kargl@gcc.gnu.org>
                    Mark Eggleston  <markeggleston@gcc.gnu.org>

        PR fortran/93580
        * primary.c (gfc_match_varspec): If the symbol following %
        is re or im and the primary expression type is not BT_COMPLEX
        issue an error. If the symbol is len and the primary
        expression type is not BT_CHARACTER is an error.

2020-02-13  Jakub Jelinek  <jakub@redhat.com>

        Backported from mainline
        2020-01-29  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/93463
        * openmp.c (oacc_code_to_statement): Handle
        EXEC_OACC_{ROUTINE,UPDATE,WAIT,CACHE,{ENTER,EXIT}_DATA,DECLARE}.

2020-02-03  Tobias Burnus  <tobias@codesourcery.com>

        Backported from mainline
        2020-02-03  Tobias Burnus  <tobias@codesourcery.com>

        PR fortran/93541
        * intrinisic.texi (OpenMP Modules OMP_LIB and OMP_LIB_KINDS):
        Add undocumented parameters from omp_lib.f90.in.

2020-02-03  Tobias Burnus  <tobias@codesourcery.com>

        Backported from mainline
        2020-01-31  Tobias Burnus  <tobias@codesourcery.com>

        PR fortran/93462
        * frontend-passes.c (gfc_code_walker): For EXEC_OACC_ATOMIC, set
        in_omp_atomic to true prevent front-end optimization.

2020-02-03  Tobias Burnus  <tobias@codesourcery.com>

        Backported from mainline
        2020-01-21  Tobias Burnus  <tobias@codesourcery.com>

        PR fortran/93309
        * interface.c (gfc_procedure_use): Also check parent namespace for
        'implict none (external)'.
        * symbol.c (gfc_get_namespace): Don't set has_implicit_none_export
        to parent namespace's setting.

2020-01-22  Jakub Jelinek  <jakub@redhat.com>

        * parse.c (parse_omp_structured_block): Handle ST_OMP_TARGET_PARALLEL.
        * trans-openmp.c (gfc_trans_omp_target)
        <case EXEC_OMP_TARGET_PARALLEL>: Call pushlevel first.

        PR fortran/93329
        * openmp.c (omp_code_to_statement): Handle remaining EXEC_OMP_*
        cases.

2020-01-17  Mark Eggleston  <mark.eggleston@codethink.com>

        Backport from mainline
        Mark Eggleston  <mark.eggleston@codethink.com>

        PR fortran/93236
        * resolve.c (resolve_types): Declare boolean recursive and set with the
        value of the recursive attribute of namespace proc_name symbol
        structure if it exists.  Call gfc_save_all if both flag_automatic and
        recursive are false or ns->save_all is true.

2020-01-10  Tobias Burnus  <tobias@codesourcery.com>

        Backported from mainline
        2020-01-09  Tobias Burnus  <tobias@codesourcery.com>

        PR fortran/84135
        * array.c (gfc_set_array_spec): Fix shifting of codimensions
        when adding a dimension.
        * decl.c (merge_array_spec): Ditto. Fix using correct codimensions.

2019-12-30  Thomas Koenig  <tkoenig@gcc.gnu.org>

        Backport from trunk
        PR fortran/92961
        * gfortran.h (gfc_seen_div0): Add declaration.
        * arith.h (gfc_seen_div0): Add definition.
        (eval_intrinsic): For integer division by zero, set gfc_seen_div0.
        * decl.c (variable_decl):  If resolution resp. simplification
        fails for array spec and a division of zero error has been
        seen, return MATCH_ERROR.

2019-12-21  Paul Thomas  <pault@gcc.gnu.org>

        Backported from mainline
        PR fortran/92753
        * expr.c (find_inquiry_ref): Catch INQUIRY_LEN case, where the
        temporary expression has been converted to a constant and make
        the new expression accordingly. Correct the error in INQUIRY_RE
        and INQUIRY_IM cases. The original rather than the resolved
        expression was being used as the source in mpfr_set.

2019-12-20  Jakub Jelinek  <jakub@redhat.com>

        Backported from mainline
        2019-12-19  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/92977
        * frontend-passes.c (call_external_blas): Use || instead of |.

        PR fortran/92977
        * frontend-passes.c (in_omp_atomic): New variable.
        (cfe_expr_0, matmul_to_var_expr, matmul_temp_args,
        inline_matmul_assign, call_external_blas): Don't optimize in
        EXEC_OMP_ATOMIC.
        (optimize_namespace): Clear in_omp_atomic.
        (gfc_code_walker): Set in_omp_atomic for EXEC_OMP_ATOMIC, save/restore
        it around.

        2019-12-11  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/92899
        * trans-openmp.c (gfc_trans_omp_atomic): For GFC_OMP_ATOMIC_SWAP,
        do look through conversion on expr2 if any.

        2019-12-06  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/92775
        * trans.h (struct lang_type, struct lang_decl): Remove span member.
        (GFC_DECL_SPAN, GFC_TYPE_ARRAY_SPAN): Remove macros.
        * trans-array.h (gfc_get_descriptor_offsets_for_info): Add another
        argument.
        * trans-array.c (gfc_get_descriptor_offsets_for_info): Add SPAN_OFF
        argument and initialize *SPAN_OFF to the offset of span field.
        * trans-types.c (gfc_get_array_descr_info): Adjust
        gfc_get_descriptor_offsets_for_info caller.  Compute elem_size
        as base->span instead of TYPE_SIZE_UNIT (etype) constant.

        2019-12-05  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/92781
        * trans-decl.c (gfc_get_symbol_decl): If sym->backend_decl is
        current_function_decl, add length to current rather than parent
        function and expect DECL_CONTEXT (length) to be current_function_decl.

        2019-11-27  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/91944
        * simplify.c (gfc_simplify_spread): Check gfc_init_expr_flag instead
        of gfc_current_ns->sym_root->n.sym->attr.flavor == FL_PARAMETER.

2019-12-12  Harald Anlauf  <anlauf@gmx.de>

        Backport from mainline
        PR fortran/92898
        * check.c (gfc_check_is_contiguous): Simplify check to handle
        arbitrary NULL() argument.

2019-12-11 Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/92897
        * array.c (gfc_set_array_spec):  Remove invalid assert() triggered
        by invalid Fortran code.

2019-11-29  Harald Anlauf  <anlauf@gmx.de>

        Backport from mainline
        PR fortran/92629
        * simplify.c (convert_mpz_to_unsigned): Skip assert for argument
        range when -fno-range-check is specified.

2019-11-25  Tobias Burnus  <tobias@codesourcery.com

        Backport from mainline
        2019-10-11  Tobias Burnus  <tobias@codesourcery.com>

        PR fortran/92050
        * trans-expr.c (gfc_conv_procedure_call): Handle code generated
        by -fcheck=all.

2019-11-10  Thomas Koenig  <tkoenig@gcc.gnu.org>

        Backport from trunk
        PR fortran/92113
        * trans-decl.c (gfc_get_symbol_decl): If __def_init actually
        contains a value, put it into  the read-only section.

2019-11-10  Thomas Koenig  <tkoenig@gcc.gnu.org>

        Backport from trunk
        PR fortran/92321
        * frontend-passes.c (call_external_blas): Commit symbol for
        external BLAS routine.

2019-11-08  Tobias Burnus  <tobias@codesourcery.com

        Backport from mainline
        2019-11-08  Tobias Burnus  <tobias@codesourcery.com

        PR fortran/91253
        * scanner.c (skip_fixed_comments): Move comment
        lines to next if block.
        (gfc_next_char_literal): Fix continue_line setting.
        (get_file): Remove bogus ATTRIBUTE_UNUSED.

2019-11-05  Tobias Burnus  <tobias@codesourcery.com>

        PR fortran/92208
        Backport from mainline
        2019-10-31  Tobias Burnus  <tobias@codesourcery.com>

        PR fortran/92277
        * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Fix DECL_ARTIFICIAL
        checking.

2019-11-04  Tobias Burnus  <tobias@codesourcery.com>

        Backport from mainline
        2019-10-30  Tobias Burnus  <tobias@codesourcery.com>

        PR fortran/92208
        * trans-array.c (gfc_conv_array_parameter): Only copy
        string-length backend_decl if expression is not a function.

2019-11-04  Tobias Burnus  <tobias@codesourcery.com>

        Backport from mainline
        2019-10-31  Tobias Burnus  <tobias@codesourcery.com>

        PR fortran/92284.
        * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Free CFI descriptor
        at the end; partial revised revert of Rev. 277502.

2019-10-28  Paul Thomas  <pault@gcc.gnu.org>

        Backport from trunk
        PR fortran/91926
        * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Correct the
        assignment of the attribute field to account correctly for an
        assumed shape dummy. Assign separately to the gfc and cfi
        descriptors since the atribute can be different. Add branch to
        correctly handle missing optional dummies.

2019-10-28  Tobias Burnus  <tobias@codesourcery.com>

        Backport from mainline
        2019-10-28  Tobias Burnus  <tobias@codesourcery.com>

        PR fortran/91863
        * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Don't free data
        memory as that's done on the Fortran side.
        (gfc_conv_procedure_call): Handle void* pointers from
        gfc_conv_gfc_desc_to_cfi_desc.

2019-10-27  Paul Thomas  <pault@gcc.gnu.org>

        Backport from mainline
        PR fortran/86248
        * resolve.c (flag_fn_result_spec): Correct a typo before the
        function declaration.
        * trans-decl.c (gfc_sym_identifier): Boost the length of 'name'
        to allow for all variants. Simplify the code by using a pointer
        to the symbol's proc_name and taking the return out of each of
        the conditional branches. Allow symbols with fn_result_spec set
        that do not come from a procedure namespace and have a module
        name to go through the non-fn_result_spec branch.

2019-10-22  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/92174
        * decl.c (attr_decl1): Move check for F2018:C822 from here ...
        * array.c (gfc_set_array_spec): ... to here.

2019-10-18  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/69455
        * trans-decl.c (generate_local_decl): Avoid misconstructed
        intrinsic modules in a BLOCK construct.

2019-10-18  Tobias Burnus  <tobias@codesourcery.com>

        Backport from mainline
        2019-10-18  Tobias Burnus  <tobias@codesourcery.com>

        PR fortran/91586
        * class.c (gfc_find_derived_vtab): Return NULL
        instead of deref'ing NULL pointer.

2019-10-17  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/83113
        PR fortran/89943
        decl.c (gfc_match_function_decl): Ignore duplicate BIND(C) for function
        declaration in submodule.  Implement at check for F2018 C1550.
        (gfc_match_entry): Use temporary for locus, which allows removal of
        one gfc_error_now().
        (gfc_match_subroutine): Ignore duplicate BIND(C) for subroutine
        declaration in submodule.  Implement at check for F2018 C1550.

2019-10-11  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/91715
        * decl.c (gfc_match_prefix): If matching a type-spec returns an error,
        it's an error so re-act correctly.

2019-10-11  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/91649
        check.c (gfc_check_findloc): Additional checking for valid arguments

2019-10-10  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/91801
        * simplify.c (gfc_simplify_reshape): Convert a gcc_assert into a
        gfc_error as a user can easily hit the condition.

2019-10-07  Thomas Koenig <tkoenig@gcc.gnu.org>

        Backport from trunk
        PR fortran/84487
        * trans-decl.c (gfc_get_symbol_decl): For __def_init, set
        DECL_ARTIFICAL and do not set TREE_READONLY.

2019-10-05  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/47054
        * decl.c (variable_decl): Do not search parent namespace for symbol.

2019-10-04  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/91942
        * io.c (match_vtag): Check for non-NULL result->symtree.
        (match_out_tag): Check for invalid constant due to inquiry parameter.
        (match_filepos): Instead of a syntax error, go to cleanup to get better
        error messages.

2019-10-04  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/91785
        * primary.c (gfc_match_varspec): Ensure an inquiry parameter has
        it locus set.

2019-10-01  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/91864
        * gcc/fortran/io.c (match_io_element): An inquiry parameter cannot be
        read into.
        * gcc/fortran/match.c (gfc_match_allocate): An inquiry parameter
        can be neither an allocate-object nor stat variable.
        (gfc_match_deallocate): An inquiry parameter cannot be deallocated.

2019-10-01  Steven G. Kargl  <kargl@gcc.ngu.org>

        Backport of r276254+276265
        PR fortran/91802
        * decl.c (attr_decl1): Check if rank+corank > 15.

2019-10-01  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/91714
        * decl.c (gfc_match_decl_type_spec):  Issue errors for a few
        mangled types.

2019-10-01  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/91641
        * check.c (gfc_check_is_contiguous): null() cannot be an actual
        argument to is_contiguous().

2019-09-21  Paul Thomas  <pault@gcc.gnu.org>

        Backport from mainline
        PR fortran/91588
        * expr.c (check_inquiry): Remove extended component refs by
        using symbol pointers. If a function argument is an associate
        variable with a constant target, copy the target expression in
        place of the argument expression. Check that the charlen is not
        NULL before using the string length.

2019-09-19  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/91727
        * resolve.c (conformable_arrays):  If array-spec is NULL, then
        allocate-object is a scalar.  a conformability check only occurs
        for an array source-expr.

2019-09-18  Thomas Koenig  <tkoenig@gcc.gnu.org>

        Backport from trunk
        PR fortran/91550
        * frontend-passes.c (do_subscript): If step equals
        zero, a previuos error has been reported; do nothing
        in this case.
        * resolve.c (gfc_resolve_iterator): Move error checking
        after type conversion.

2019-09-15  Thomas Koenig  <tkoenig@gcc.gnu.org>

        Backport from trunk
        PR fortran/91557
        * trans-decl.c (generate_local_decl): Do not warn if the symbol
        is artificial.
        * trans-types.c (get_formal_from_actual_arglist): Set artificial
        attribute on dummy arguments.

2019-09-14  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/91553
        * simplify.c (gfc_convert_constant):  During conversion check if the
        constant is enclosed in parenthesis, and simplify expression.

2019-09-14  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/91566
        * simplify.c (gfc_simplify_merge): Need to simplify expression
        after insertation of parenthesis.

2019-09-14  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/91642
        * io.c (gfc_match_inquire): null() cannot be in an iolength inquire
        list.

2019-09-07  Paul Thomas  <pault@gcc.gnu.org>

        Backport from mainline
        PR fortran/91589
        * primary.c (gfc_match_varspec): Return MATCH_NO on an apparent
        component ref, when the primary type is intrinsic.

2019-09-05  Harald Anlauf  <anlauf@gmx.de>

        Backport from mainline
        PR fortran/91496
        * gfortran.h: Extend struct gfc_iterator for loop annotations.
        * array.c (gfc_copy_iterator): Copy loop annotations by IVDEP,
        VECTOR, and NOVECTOR pragmas.
        * decl.c (gfc_match_gcc_ivdep, gfc_match_gcc_vector)
        (gfc_match_gcc_novector): New matcher functions handling IVDEP,
        VECTOR, and NOVECTOR pragmas.
        * match.h: Declare prototypes of matcher functions handling IVDEP,
        VECTOR, and NOVECTOR pragmas.
        * parse.c (decode_gcc_attribute, parse_do_block)
        (parse_executable): Decode IVDEP, VECTOR, and NOVECTOR pragmas;
        emit warning for unrecognized pragmas instead of error.
        * trans-stmt.c (gfc_trans_simple_do, gfc_trans_do): Add code to
        emit annotations for IVDEP, VECTOR, and NOVECTOR pragmas.
        * gfortran.texi: Document IVDEP, VECTOR, and NOVECTOR pragmas.

        PR fortran/91496
        * parse.c (parse_executable): Improve error messages for
        improperly placed pragmas not preceeding a loop.

2019-09-05  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/91660
        * decl.c (gfc_match_decl_type_spec): Improve and restore error
        message for malformed types-spec.

2019-09-02  Steven G. Kargl  <kargl@gc.gnu.org>

        PR fortran/91552
        * array.c (walk_array_constructor): New function.
        (gfc_match_array_constructor): Use it.

2019-08-30  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/91587
        * io.c (match_filepos): MATCH_ERROR should branch to a syntax error.

2019-08-30  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/91565
        * simplify.c (gfc_simplify_reshape): Add additional checks of the
        ORDER dummy argument.

2019-08-30  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/91564
        * check.c (gfc_check_kill_sub): Additional checks on status dummy
        argument.

2019-08-30  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/91551
        * intrinsic.c (sort_actual): ALLOCATED has one argument. Check for
        no argument case.

2019-08-30  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/91485
        module.c (gfc_match_use): User defined operator cannot conflict with
        a rename symbol.

2019-08-17  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/91471
        * primary.c (gfc_variable_attr): Remove a gfc_internal_error(),
        which cannot be reached by conforming Fortran code, but seems to
        be reachable from nonconforming Fortran code.  Treat the AR_UNKNOWN
        case as a no-op.

2019-08-17  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/78739
        * match.c (gfc_match_st_function):  When matching a statement function,
        need to check if the statement function name shadows the function
        name.

2019-08-17  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/78719
        * decl.c (get_proc_name): Check for a CLASS entity when trying to
        add attributes to an entity that already has an explicit interface.

2019-08-17  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/82992
        * module.c (gfc_match_use):  When renaming a module entity, search
        current namespace for conflicting symbol.

2019-08-13  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/87991
        * resolve.c (check_data_variable): data-stmt-object with pointer
        attribute requires a data-stmt-value with the target attribute.

2013-08-13  Thomas Koenig  <tkoenig@gcc.gnu.org>

        Backport from trunk
        PR fortran/90563
        * frontend-passes.c (insert_index): Suppress errors while
        simplifying the resulting expression.

2019-08-13  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/88072
        * misc.c (gfc_typename): Do not point to something that ought not to
        be pointed at.

2019-08-13  Thomas Koenig  <tkoenig@gcc.gnu.org>

        Backport from trunk
        PR fortran/90561
        * trans.h (gfc_evaluate_now_function_scope): New function.
        * trans.c (gfc_evaluate_now_function_scope): New function.
        * trans-expr.c (gfc_trans_assignment): Use it.

2019-08-13  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/89647
        resolve.c (resolve_typebound_procedure): Allow host associated
        procedure to be a binding target.  While here, wrap long line.

2019-08-13  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/87993
        * expr.c (gfc_simplify_expr): Simplifcation of an array with a kind
        type inquiry suffix yields a constant expression.

2019-08-13  Thomas Koenig  <tkoenig@gcc.gnu.org>

        Backport from trunk
        PR fortran/91424
        * frontend-passes.c (do_subscript): Do not warn for an
        expression a second time.  Do not warn about a zero-trip loop.
        (doloop_warn): Also look at contained namespaces.

2019-08-12  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/91359
        * trans-decl.c (gfc_generate_return): Ensure something is returned
        from a function.

2019-08-12  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/42546
        * check.c(gfc_check_allocated): Add comment pointing to ...
        * intrinsic.c(sort_actual): ... the checking done here.

2019-08-12  Release Manager

        * GCC 9.2.0 released.

2019-08-04  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        Backport from trunk
        PR fortran/87233
        * expr.c (check_restricted): Relax constraint C1279 which was
        removed from F2008 and above.

2019-07-30  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/91296
        * interface.c (compare_actual_expr): When checking for aliasing, add
        a case to handle REF_INQUIRY (e.g., foo(x%re, x%im) do not alias).

2019-07-29  Thomas Koenig  <tkoenig@gcc.gnu.org>
        Paul Thomas <pault@gcc.gnu.org>

        Backport from trunk
        PR fortran/90786
        PR fortran/90813
        * trans-expr.c (pointer_assignment_is_proc_pointer) Remove as
        it is very simple and only called from one place.
        (gfc_trans_pointer_assignment): Rename non_proc_pointer_assign
        as non_proc_ptr_assign. Assign to it directly, rather than call
        to above, deleted function and use gfc_expr_attr instead of
        only checking the reference chain.
        * dump-parse-tree.c (show_global_symbol): New function.
        (gfc_dump_global_symbols): New function.
        * gfortran.h (gfc_traverse_gsymbol): Add prototype.
        (gfc_dump_global_symbols): Likewise.
        * invoke.texi: Document -fdump-fortran-global.
        * lang.opt: Add -fdump-fortran-global.
        * parse.c (gfc_parse_file): Handle flag_dump_fortran_global.
        * symbol.c (gfc_traverse_gsymbol): New function.
        * trans-decl.c (sym_identifier): New function.
        (mangled_identifier): New function, doing most of the work
        of gfc_sym_mangled_identifier.
        (gfc_sym_mangled_identifier): Use mangled_identifier.  Add mangled
        identifier to global symbol table.
        (get_proc_pointer_decl): Use backend decl from global identifier
        if present.

2019-07-23  Thomas König  <tkoenig@gcc.gnu.org>

        Backport from trunk
        PR libfortran/91030
        * gfortran.texi (GFORTRAN_FORMATTED_BUFFER_SIZE): Document.
        (GFORTRAN_UNFORMATTED_BUFFER_SIZE): Likewise.

2019-07-07  Paul Thomas  <pault@gcc.gnu.org>

        Backport from mainline
        PR fortran/91077
        * trans-array.c (gfc_conv_scalarized_array_ref) Delete code
        that gave symbol backend decl for subref arrays and deferred
        length variables.

2019-06-21  Thomas Koenig  <tkoenig@gcc.gnu.org>

        Backport from trunk
        PR fortran/90937
        * trans-types.c (get_formal_from_actual_arglist): Get symbol from
        current namespace so it will be freed later.  If symbol is of type
        character, get an empty character length.

2019-06-20  Steven G. Kargl  <kargl@gcc.gnu.org>

        Backport from mainline
        PR fortran/90290
        * match.c (gfc_match_stopcode): Check F2008 condition on stop code.

2019-06-20  Steven G. Kargl  <kargl@gcc.gnu.org>

        Backport from mainline
        PR fortran/90002
        * array.c (gfc_free_array_spec): When freeing an array-spec, avoid
        an ICE for assumed-shape coarrays.

2019-06-20  Steven G. Kargl  <kargl@gcc.gnu.org>

        Backport from mainline
        PR fortran/89344
        * expr.c (gfc_check_vardef_context): Check for INTENT(IN) variable
        in SELECT TYPE construct.

2019-06-20  Steven G. Kargl  <kargl@gcc.gnu.org>

        Backport from mainline
        PR fortran/87907
        * resolve.c (resolve_contained_fntype): Do not dereference a NULL
        pointer.

2019-06-20  Steven G. Kargl  <kargl@gcc.gnu.org>

        Backport from mainline
        PR fortran/86587
        * symbol.c (verify_bind_c_derived_type): Remove erroneous error
        checking for BIND(C) and PRIVATE attributes.

2019-06-20  Steven G. Kargl  <kargl@gcc.gnu.org>

        Backport from mainline
        PR fortran/77632
        * /decl.c (variable_decl): Mark a variable that is a target in pointer
        initialization when in PROGRAM, MODULE, or SUBMODULE scope with an
        implicit save.

2019-06-20  Steven G. Kargl  <kargl@gcc.gnu.org>

        Backport from mainline
        PR fortran/69499
        * match.c (gfc_match_select_type):  SELECT TYPE is an executable
        statement, and cannot appear in MODULE or SUBMODULE scope.

2019-06-20  Steven G. Kargl  <kargl@gcc.gnu.org>

        Backport from mainline
        PR fortran/69398
        * decl.c (attr_decl): Check for duplicate DIMENSION attribute for a
        CLASS entity.

2019-06-20  Steven G. Kargl  <kargl@gcc.gnu.org>

        Backport from mainline
        PR fortran/68544
        * resolve.c (is_dt_name): New function to compare symbol name against
        list of derived types.
        (resolve_actual_arglist): Use it to find wrong code.

2019-06-20  Steven G. Kargl  <kargl@gcc.gnu.org>

        Backport from mainline
        * arith.c (arith_power): Rework overflow of an integer to an integer
        exponent.

2019-06-18  Harald Anlauf  <anlauf@gmx.de>

        Backport from mainline
        2019-06-14  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/90577
        PR fortran/90578
        * trans-intrinsic.c (gfc_conv_intrinsic_shift): Properly
        distinguish logical/arithmetic shifts.
        * intrinsic.texi: Update documentation for SHIFTR/SHIFTL/SHIFTA
        (Fortran 2008) and LSHIFT/RSHIFT (GNU extensions).

2019-06-11  Thomas Koenig  <tkoenig@gcc.gnu.org>
        Tomáš Trnka  <trnka@scm.com>

        Backport from trunk
        PR fortran/90744
        * trans-types.c (get_formal_from_actual_arglist): Unset typespec
        flags which make no sense for procedures without explicit
        interface.

2019-05-30  Marek Polacek  <polacek@redhat.com>

        * lang.opt (ftail-call-workaround): Fix a typo.

2019-05-30  Jakub Jelinek  <jakub@redhat.com>

        * lang.opt (ftail-call-workaround=): Fix a typo - lenghts to lengths.

2019-05-29  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/90329
        Backported from mainline
        2019-05-29  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/90329
        * lang.opt (fbroken-callers): Remove.
        (ftail-call-workaround, ftail-call-workaround=): New options.
        * gfortran.h (struct gfc_namespace): Add implicit_interface_calls.
        * interface.c (gfc_procedure_use): Set implicit_interface_calls
        for calls to implicit interface procedures.
        * trans-decl.c (create_function_arglist): Use flag_tail_call_workaround
        instead of flag_broken_callers.  If it is not 2, also require
        sym->ns->implicit_interface_calls.
        * invoke.texi (fbroken-callers): Remove documentation.
        (ftail-call-workaround, ftail-call-workaround=): Document.

        2019-05-19  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/90329
        * invoke.texi: Document -fbroken-callers.
        * lang.opt: Add -fbroken-callers.
        * trans-decl.c (create_function_arglist): Only set
        DECL_HIDDEN_STRING_LENGTH if flag_broken_callers is set.

        2019-05-16  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/90329
        * trans-decl.c (create_function_arglist): Set
        DECL_HIDDEN_STRING_LENGTH on hidden string length PARM_DECLs if
        len is constant.

2019-05-21  Janne Blomqvist  <jb@gcc.gnu.org>

        Backport from trunk
        PR libfortran/90038
        * intrinsic.texi (EXECUTE_COMMAND_LINE): Explain new
        wait=.false. implementation.

2019-05-19  Paul Thomas  <pault@gcc.gnu.org>

        Backport from trunk
        PR fortran/90498
        * trans-stmt.c (trans_associate_var) Do not use the saved
        descriptor if the expression is a COMPONENT_REF.

2019-05-15  Janne Blomqvist  <jb@gcc.gnu.org>

        Backport from trunk
        * parse.c (gfc_parse_file): Remove translation string markers.

2019-05-12  Janne Blomqvist  <jb@gcc.gnu.org>

        Backport from trunk
        * dump-parse-tree.c (get_c_type_name): Use macros for complex type
        names.
        * parse.c (gfc_parse_file): Define complex macros, add CPP support
        when printing C prototypes.

2019-05-11  Paul Thomas  <pault@gcc.gnu.org>

        Backport from trunk
        PR fortran/90093
        * trans-decl.c (convert_CFI_desc): Test that the dummy is
        present before doing any of the conversions.

        PR fortran/90352
        * decl.c (gfc_verify_c_interop_param): Restore the error for
        charlen > 1 actual arguments passed to bind(C) procs.
        Clean up trailing white space.

        PR fortran/90355
        * trans-array.c (gfc_trans_create_temp_array): Set the 'span'
        field to the element length for all types.
        (gfc_conv_expr_descriptor): The force_no_tmp flag is used to
        prevent temporary creation, especially for substrings.
        * trans-decl.c (gfc_trans_deferred_vars): Rather than assert
        that the backend decl for the string length is non-null, use it
        as a condition before calling gfc_trans_vla_type_sizes.
        * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): 'force_no_tmp'
        is set before calling gfc_conv_expr_descriptor.
        * trans.c (get_array_span): Move the code for extracting 'span'
        from gfc_build_array_ref to this function. This is specific to
        descriptors that are component and indirect references.
        * trans.h : Add the force_no_tmp flag bitfield to gfc_se.

2019-05-09  Thomas Koenig  <tkoenig@gcc.gnu.org>

        Backport from trunk
        PR fortran/90351
        PR fortran/90329
        * gfortran.dg/dump-parse-tree.c: Include version.h.
        (gfc_dump_external_c_prototypes): New function.
        (get_c_type_name): Select "char" as a name for a simple char.
        Adjust to handling external functions. Also handle complex.
        (write_decl): Add argument bind_c. Adjust for dumping of external
        procedures.
        (write_proc): Likewise.
        (write_interop_decl): Add bind_c argument to call of write_proc.
        * gfortran.h: Add prototype for gfc_dump_external_c_prototypes.
        * lang.opt: Add -fc-prototypes-external flag.
        * parse.c (gfc_parse_file): Move dumping of BIND(C) prototypes.
        Call gfc_dump_external_c_prototypes if option is set.
        * invoke.texi: Document -fc-prototypes-external.

2019-05-03  Release Manager

        * GCC 9.1.0 released.

2019-04-19  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/90166
        * decl.c (in_module_or_interface): New function to check that the
        current state is in a module, submodule, or interface.
        (gfc_match_prefix): Use it.

2019-04-22  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/57284
        * resolve.c (find_array_spec): If this is a class expression
        and the symbol and component array specs are the same, this is
        not an error.
        *trans-intrinsic.c (gfc_conv_intrinsic_size): If a class symbol
        argument, has no namespace, it has come from the interface
        mapping and the _data component must be accessed directly.

2019-04-17  Thomas Schwinge  <thomas@codesourcery.com>

        PR fortran/90048
        * openmp.c (gfc_resolve_do_iterator): Handle sharing_clauses for
        OpenACC, too.
        (gfc_resolve_oacc_blocks): Populate sharing_clauses with private
        clauses.

2019-04-14  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/89843
        * trans-decl.c (gfc_get_symbol_decl): Assumed shape and assumed
        rank dummies of bind C procs require deferred initialization.
        (convert_CFI_desc): New procedure to convert incoming CFI
        descriptors to gfc types and back again.
        (gfc_trans_deferred_vars): Call it.
        * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Null the CFI
        descriptor pointer. Free the descriptor in all cases.

        PR fortran/89846
        * expr.c (is_CFI_desc): New function.
        (is_subref_array): Tidy up by referencing the symbol directly.
        * gfortran.h : Prototype for is_CFI_desc.
        * trans_array.c (get_CFI_desc): New function.
        (gfc_get_array_span, gfc_conv_scalarized_array_ref,
        gfc_conv_array_ref): Use it.
        * trans.c (get_array_span): Extract the span from descriptors
        that are indirect references.

        PR fortran/90022
        * trans-decl.c (gfc_get_symbol_decl): Make sure that the se
        expression is a pointer type before converting it to the symbol
        backend_decl type.
        * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Eliminate
        temporary creation for intent(in).

2019-04-13  Dominique d'Humieres  <dominiq@gcc.gnu.org>

        PR fortran/79842
        * module.c (gfc_use_module): use complete sentences.

2019-04-11  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR translation/89939
        * frontend-passes.c (B_ERROR): Delete macro.
        (C_ERROR): Delete macro.
        (B_ERROR_1): New macro.
        (C_ERROR_1): New macro.
        (C_ERROR_2): New macro.
        (inline_matmul_assign): Use new macros.
        (call_external_blas): Likewise.

2019-04-06  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/87352
        * gfortran.h (gfc_component): Add finalized field.
        * class.c (finalize_component): If the component is already
        finalized, return early.  Set component->finalized on exit.

2019-04-06  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/89981
        * resolve.c (resolve_global_procedure): If the global symbol is an
        ENTRY, also look up its name among the entries.

2019-04-04  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/89904
        * check.c (gfc_check_transfer): Reject procedures as actual
        arguments for SOURCE and MOLD of TRANSFER intrinsic.

2019-04-03  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/68567
        * expr.c (gfc_reduce_init_expr): Add extra check to avoid
        dereferencing a null pointer.

2019-04-03  Dominique d'Humieres  <dominiq@gcc.gnu.org>

        PR fortran/89375
        * expr.c (comp_pointer): Remove redundant condition.

2019-03-31  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/83515
        PR fortran/85797
        * trans-types.c (gfc_typenode_for_spec): Handle conversion for
        procedure pointers.
        * target-memory.c (gfc_element_size): Handle size determination
        for procedure pointers.

2019-03-31  Thomas Koenig  <tkoenig@gcc.gnu.org>

        * dump-parse-tree.c (debug):  Add for symbol_attribute *,
        symbol_attribute and gfc_ref * arguments.

2019-03-30  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/89841
        * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Use the formal
        argument attributes rather than those of the actual argument.

        PR fortran/89842
        * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Call
        'set_dtype_for_unallocated' for any type of arrayspec.

2019-03-27  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/85537
        * expr.c (gfc_check_assign_symbol): Reject internal and dummy procedures
        in procedure pointer initialization.

2019-03-27  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/88247
        * expr.c (is_subref_array): Permit substrings to be detected
        as subref arrays.
        * trans-array.c (get_array_ctor_var_strlen): Obtain the length
        of deferred length strings. Handle substrings with a NULL end
        expression.
        (trans_array_constructor): Remove an unnecessary blank line.
        (gfc_conv_scalarized_array_ref): Skip to label 'done' if 'decl'
        is a pointer array.
        (get_array_charlen): If the expression is an array, convert the
        first element of the constructor and use its string length. Get
        a new charlen if necessary.
        (gfc_conv_expr_descriptor): Call 'get_array_charlen' for array
        constructor expressions. If the ss_info string length is
        available, use that to set the span of character arrays.
        * trans-expr.c (gfc_get_expr_charlen): Handle substrings
        * trans-stmt.c (trans_associate_var): Set the pointer array
        flag for variable targets and constant array constructors. Take
        care not to reset the string length or the span in the case of
        expressions that are not converted as direct by reference.

2019-03-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * intrinsic.texi (MINLOC): Fix typo in BACK argument documentation.
        (MAXLOC): Likewise.

2019-03-24  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/78865
        * interface.c (compare_actual_formal): Change errors about
        missing or extra to gfc_error_now to make sure they are issued.
        Change "spec" to "specifier" in message.
        * resolve.c (resolve_global_procedure): Also check for mismatching
        interface with global symbols if the namespace has already been
        resolved.

2019-03-21  Thomas Schwinge  <thomas@codesourcery.com>

        PR fortran/72741
        * openmp.c (gfc_match_oacc_routine): Set the level of parallelism
        for all variants.
        (gfc_resolve_oacc_routines): Call gfc_add_omp_declare_target.

        PR fortran/89773
        * gfortran.h (gfc_oacc_routine_name): Add loc member.
        (gfc_resolve_oacc_routines): Declare.
        * openmp.c (gfc_match_oacc_routine): Move some error checking
        into...
        (gfc_resolve_oacc_routines): ... this new function.
        * resolve.c (resolve_codes): Call it.

        PR fortran/72741
        * openmp.c (gfc_match_oacc_routine): Clarify.

        PR fortran/72741
        * module.c (verify_OACC_ROUTINE_LOP_NONE): New function.
        (enum ab_attribute): Add AB_OACC_ROUTINE_LOP_GANG,
        AB_OACC_ROUTINE_LOP_WORKER, AB_OACC_ROUTINE_LOP_VECTOR,
        AB_OACC_ROUTINE_LOP_SEQ.
        (attr_bits): Add these.
        (mio_symbol_attribute): Handle these.

2019-03-20  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/71861
        * symbol.c (check_conflict): ABSTRACT attribute conflicts with
        INTRINSIC attribute.

2019-03-18  Thomas Koenig  <tkoeng@gcc.gnu.org>

        PR fortran/68009
        * iresolve.c: Include trans.h.
        (gfc_resolve_fe_runtine_error): Set backend_decl on
        resolved_sym.

2019-03-17  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/88008
        * gfortran.h (expr_t): Add EXPR_UNKNOWN.
        * expr.c (gfc_copy_expr): Add EXPR_UNKNOWN to switch statement.
        (gfc_simplify_expr): Likewise.
        * module.c (mio_expr): Likewise.
        * resovle.c (extract_compcall_passed_object): Issue error on
        unknown type.
        (check_typebound_baseobject): Issue error on wrong type.
        * trans-expr.c (gfc_apply_interface_mapping_to_expr): Add
        EXPR_UNKNOWN to switch statement.

2019-03-16  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/89724
        * scanner.c (load_line): Remove linenum and current_line static
        variables, add warned_tabs automatic variable.  Use current_file->line
        instead of current_line and warned_tabs boolean to avoid diagnosing
        tabs multiple times on the same line.

2019-03-16  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/84394
        * symbol.c (gfc_add_subroutine): If we are encountering a
        subrtoutine within a BLOCK DATA and the name starts with an
        underscore, do not check.

2019-03-15  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/60091
        * expr.c (gfc_check_pointer_assign): Correct and improve error
        messages for invalid pointer assignments.

2019-03-14  Thomas Koenig  <tkoenig@gcc.gnu.org>

        * gfortran.texi: Document Q edit descriptor under
        "Extensions not implemented in GNU Fortran".

2019-03-13  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/87045
        * trans-expr.c (gfc_trans_pointer_assignment): Move check for same
        string length so that we do not get false errors for deferred
        length.

2019-03-13  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/89601
        * decl.c (gfc_match_formal_arglist): Reject empty type parameter lists.
        (gfc_match_derived_decl): Mark as PDT only if type parameter list was
        matched successfully.

2019-03-13  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/66695
        PR fortran/77746
        PR fortran/79485
        * gfortran.h (gfc_symbol): Add bind_c component.
        (gfc_get_gsymbol): Add argument bind_c.
        * decl.c (add_global_entry): Add bind_c argument to
        gfc_get_symbol.
        * parse.c (parse_block_data): Likewise.
        (parse_module): Likewise.
        (add_global_procedure): Likewise.
        (add_global_program): Likewise.
        * resolve.c (resolve_common_blocks): Likewise.
        (resolve_global_procedure): Likewise.
        (gfc_verify_binding_labels): Likewise.
        * symbol.c (gfc_get_gsymbol): Add argument bind_c. Set bind_c
        in gsym.
        * trans-decl.c (gfc_get_module_backend_decl): Add bind_c argument
        to gfc_get_symbol.
        (gfc_get_extern_function_decl): If the sym has a binding label
        and it cannot be found in the global symbol tabel, it is the wrong
        one and vice versa.

2019-03-12  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/87673
        * match.c (gfc_match_type_spec): Remove call to
        gfc_resolve_expr for character length.

2019-03-12  Martin Liska  <mliska@suse.cz>

        * decl.c (add_init_expr_to_sym): Replace usage of 'can't'
        with 'cannot'.
        (variable_decl): Likewise.
        (cray_pointer_decl): Likewise.
        (match_binding_attributes): Likewise.
        * f95-lang.c (gfc_init): Likewise.
        * interface.c (gfc_check_typebound_override): Likewise.
        * intrinsic.c (make_generic): Likewise.
        * module.c (dump_module): Likewise.
        (gfc_use_module): Likewise.
        * primary.c (gfc_convert_to_structure_constructor): Likewise.
        * resolve.c (resolve_entries): Likewise.
        (check_generic_tbp_ambiguity): Likewise.
        (get_checked_tb_operator_target): Likewise.
        * scanner.c (load_file): Likewise.
        * trans-expr.c (gfc_conv_intrinsic_to_class): Likewise.

2019-03-12  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/89363
        PR fortran/89364
        * trans-expr.c (set_dtype_for_unallocated): New function.
        (gfc_conv_gfc_desc_to_cfi_desc): Call it for allocatable and
        pointer arguments.
        (gfc_conv_procedure_call): Likewise. Also, set the ubound of
        the final dimension to -1 for assumed rank formal args that are
        associated with assumed size arrays.
        * trans-intrinsic.c (gfc_conv_intrinsic_bound): Return -1 for
        the final dimension of assumed rank entities that are argument
        associated with assumed size arrays.
        (gfc_conv_intrinsic_shape): Likewise return -1 for the final
        dimension of the shape intrinsic.

2019-03-11  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/89651
        * trans-openmp.c (gfc_omp_clause_default_ctor): Set TREE_NO_WARNING
        on decl if adding COND_EXPR for allocatable.
        (gfc_omp_clause_copy_ctor): Set TREE_NO_WARNING on dest.

2019-03-11  Martin Liska  <mliska@suse.cz>

        * decl.c (match_record_decl): Wrap an option name
        in a string format message and fix GNU coding style.
        (gfc_match_pointer): Likewise.
        * expr.c (find_array_section): Likewise.
        * intrinsic.c (gfc_is_intrinsic): Likewise.
        * options.c (gfc_post_options): Likewise.
        * primary.c (match_integer_constant): Likewise.
        * trans-common.c (translate_common): Likewise.

2019-03-10  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/66089
        * trans-array.c (gfc_scalar_elemental_arg_saved_as_reference):
        Return false if a scalar tempoary is needed.
        (gfc_walk_variable_expr): Fix up class refs.

2019-03-10  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/87734
        * symbol.c (gfc_add_procedure): Only throw an error if the
        procedure has not been declared either PUBLIC or PRIVATE.

2019-03-09  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/71544
        * trans-types.c (gfc_typenode_for_spec) Set ts->is_c_interop of
        C_PTR and C_FUNPTR.
        (create_fn_spec): Mark argument as escaping if ts->is_c_interop is set.

2019-03-09  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/84504
        * expr.c (gfc_check_assign_symbol): Deal with procedure pointers to
        pointer-valued functions.

2019-03-09  Thomas König  <tkoenig@gcc.gnu.org>

        PR fortran/71203
        * decl.c (add_init_expr_to_sym):  Add shape if init has none.  Add
        asserts that it has to be an EXPR_ARRAY in this case.

2019-03-08  Jakub Jelinek  <jakub@redhat.com>

        PR other/80058
        * arith.c (gfc_complex2complex): Avoid two spaces in the middle of
        diagnostics.
        * resolve.c (resolve_allocate_expr): Likewise.

2019-03-06  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/71203
        * expr.c (simplify_const_ref): Avoid null pointer dereference.

2019-03-03  Harald Anlauf  <anlauf@gmx.de>
            Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/77583
        * symbol.c (check_conflict): Check for valid procedure name
        passed to error reporting routine.

2019-03-03  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/72714
        * resolve.c (resolve_allocate_expr): Add some tests for coarrays.

2019-03-02  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/89516
        * check.c (gfc_calculate_transfer_sizes): Correct checks for cases
        where storage size of elements of MOLD is 0.

2019-02-28  Thomas Schwinge  <thomas@codesourcery.com>
            Cesar Philippidis  <cesar@codesourcery.com>

        PR fortran/72741
        PR fortran/89433
        * openmp.c (gfc_match_oacc_routine): Handle repeated use of the
        Fortran OpenACC 'routine' directive.

        PR fortran/72741
        * gfortran.h (enum oacc_routine_lop): Add OACC_ROUTINE_LOP_ERROR.
        * openmp.c (gfc_oacc_routine_lop, gfc_match_oacc_routine): Use it.
        * trans-decl.c (add_attributes_to_decl): Likewise.

        PR fortran/72741
        PR fortran/89433
        * openmp.c (gfc_match_oacc_routine): Accept intrinsic symbols.

2019-02-26  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/89492
        * check.c (gfc_calculate_transfer_sizes): Handle cases where
        storage size of elements of MOLD is 0.

2019-02-26  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/89496
        * trans-types.c (get_formal_from_actual_arglist): If
        the actual arglist has no expression, the corresponding
        formal arglist is an alternate return.

2019-02-26  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/43210
        * trans-array.c (gfc_conv_array_initializer): Use RANGE_EXPR instead
        of duplicating the initializer possibly many times.

2019-02-24  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/89174
        * trans-expr.c (gfc_find_and_cut_at_last_class_ref): Add is_mold
        to arguments. If we are dealing with a MOLD, call
        gfc_expr_to_initialize().
        * trans-stmt.c (gfc_trans_allocate): For MOLD, pass is_mold=true
        to gfc_find_and_cut_at_last_class_ref.
        * trans.h (gfc_find_and_cut_at_last_class_ref): Add optional
        argument is_mold with default false.

2019-02-24  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/89266
        PR fortran/88326
        * target-memory.c (gfc_element_size): Return false if element size
        cannot be determined; element size is returned separately.
        (gfc_target_expr_size): Return false if expression size cannot be
        determined; expression size is returned separately.
        * target-memory.h: Adjust prototypes.
        * check.c (gfc_calculate_transfer_sizes): Adjust references to
        gfc_target_expr_size, gfc_element_size.
        * arith.c (hollerith2representation): Likewise.
        * class.c (find_intrinsic_vtab): Likewise.
        * simplify.c (gfc_simplify_sizeof): Likewise.

2019-02-23  Jerry DeLisle <jvdelisle@gcc.gnu.org>

        PR fortran/84387
        * trans-io.c (transfer_expr): Do not return if there are no
        components to the derived type or class.

2019-02-23  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/88117
        * resolve.c (deferred_op_assign): Return if the lhs expression
        has the pointer attribute.
        * trans-expr.c (gfc_trans_assignment_1): Do not fix the string
        length if the lhs expression has the pointer attribute.

2019-02-23  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/89385
        PR fortran/89366
        * decl.c (gfc_verify_c_interop_param): Restriction on string
        length being one is lifted for F2018.
        * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): For scalar
        characters with intent in, make a temporary and copy the result
        of the expression evaluation into it.
        (gfc_conv_procedure_call): Set a flag for character formal args
        having a character length that is not unity. If the procedure
        is bind C, call gfc_conv_gfc_desc_to_cfi_desc in this case.
        Also, extend bind C calls to unconditionally convert both
        pointers and allocatable expressions.

2019-02-23  David Malcolm  <dmalcolm@redhat.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/88074
        * simplify.c (norm2_do_sqrt, gfc_simplify_norm2): Use
        mpfr_number_p && !mpfr_zero_p instead of mpfr_regular_p.
        (norm2_add_squared): Likewise.  Use mp_exp_t rather than mpfr_exp_t.

2019-02-22  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/83057
        * io.c (gfc_match_open): Fix logic in checks of OPEN statement
        when NEWUNIT= is specified.

2019-02-22  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/89431
        * gfortran.texi: Fix documentation to match the implementation.

2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
            Cesar Philippidis  <cesar@codesourcery.com>

        PR fortran/72741
        * gfortran.h (oacc_routine_lop): New enum.
        (symbol_attribute): Use it.
        * openmp.c (gfc_oacc_routine_dims): Replace with...
        (gfc_oacc_routine_lop): ... this new function.
        (gfc_match_oacc_routine): Adjust.
        * trans-decl.c (add_attributes_to_decl): Likewise.

2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>

        * openmp.c (gfc_match_oacc_declare): Revert earlier changes.

2019-02-21  Thomas Koenig  <tkoenig@gcc.gnu.org>

        * dump-parse-tree.c (debug): Implement for gfc_expr *,
        gfc_typespec *, gfc_typespec and gfc_symbol *.

2019-02-21  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/86119
        * class.c (gfc_get_len_component): Add argument k for kind.
        If the kind of the resulting expression is not equal to k,
        convert it.
        * gfortran.h (gfc_len_component): Adjust prototype.
        * simplify.c (gfc_simplify_len): Pass kind to
        gfc_get_len_component.

2019-02-20  Martin Liska  <mliska@suse.cz>

        * gfortran.texi: Change singular to plural.

2019-02-20  Martin Liska  <mliska@suse.cz>

        * gfortran.texi: Document Fortran header directive.

2019-02-19  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/89384
        * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): If the dummy
        argument is contiguous and the actual argument may not be,
        use gfc_conv_subref_array_arg.

2019-02-19  Thomas Schwinge  <thomas@codesourcery.com>

        PR c/87924
        * openmp.c (gfc_match_omp_clauses): Add representation of wait clause
        without argument as 'wait (GOMP_ASYNC_NOVAL)'.

2019-02-18  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/87689
        * trans-decl.c (gfc_get_extern_function_decl): Add argument
        actual_args and pass it through to gfc_get_function_type.
        * trans-expr.c (conv_function_val): Add argument actual_args
        and pass it on to gfc_get_extern_function_decl.
        (conv_procedure_call): Pass actual arguments to conv_function_val.
        * trans-types.c (get_formal_from_actual_arglist): New function.
        (gfc_get_function_type): Add argument actual_args.  Generate
        formal args from actual args if necessary.
        * trans-types.h (gfc_get_function_type): Add optional argument.
        * trans.h (gfc_get_extern_function_decl): Add optional argument.

2019-02-18  Martin Liska  <mliska@suse.cz>

        * decl.c (gfc_match_gcc_builtin): Add support for filtering
        of builtin directive based on multilib ABI name.

2019-02-17  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/88299
        * resolve.c (resolve_common_blocks,resolve_common_vars): Move
        check for obsolent COMMON feature in F2018 to better place.

2019-02-17  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/89077
        * decl.c (gfc_set_constant_character_len): Clear original string
        representation after padding has been performed to target length.

2019-02-16  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/88074
        * simplify.c (simplify_transformation_to_array): Run post_op
        immediately after processing corresponding row, rather than at the
        end.
        (norm2_scale): New variable.
        (add_squared): Rename to ...
        (norm2_add_squared): ... this.  Scale down operand and/or result
        if needed.
        (do_sqrt): Rename to ...
        (norm2_do_sqrt): ... this.  Handle the result == e case.  Scale up
        result and clear norm2_scale.
        (gfc_simplify_norm2): Clear norm2_scale.  Change add_squared to
        norm2_add_squared and &do_sqrt to norm2_do_sqrt.  Scale up result
        and clear norm2_scale again.

2019-02-17  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/71066
        * trans-decl.c (generate_coarray_sym_init):  For an array
        constructor in a DATA statement of a coarray variable, set the
        rank to 1 to avoid confusion later on.  If the constructor
        contains only one value, use that for initiailizig.

2019-02-14  Janne Blomqvist  <jb@gcc.gnu.org>

        PR fortran/81552
        * gfortran.h (gfc_option_t): Make flag_init_integer_value a long.
        * options.c (gfc_handle_option): Use strtol instead of atoi.
        * invoke.texi: Document -finit-integer behavior in more detail.

2019-02-14  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/88248
        * symbol.c: Move check for labeled DO statement from
        gfc_define_st_label to gfc_reference_st_label.

2019-02-14  Cesar Philippidis  <cesar@codesourcery.com>

        PR fortran/72715
        * openmp.c (resolve_oacc_nested_loops): Error on do concurrent
        loops.

2019-02-13  Martin Liska  <mliska@suse.cz>

        PR fortran/88649
        * resolve.c (resolve_operator): Initialize 't' right
        after function entry.  Skip switch (e->value.op.op)
        for -fdec operands that become function calls.

2019-02-10  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/71723
        * expr.c (gfc_check_assign): Add argument is_init_expr.  If we are
        looking at an init expression, issue error if the target is not a
        TARGET and we are not looking at a procedure pointer.
        * gfortran.h (gfc_check_assign): Add optional argument
        is_init_expr.

2019-02-09  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/89077
        * resolve.c (gfc_resolve_substring_charlen): Check substring
        length for constantness prior to general calculation of length.

2019-02-09  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/89200
        * trans-array.c (gfc_trans_create_temp_array): Set the 'span'
        field for derived types.

2019-02-04  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/89077
        * decl.c (add_init_expr_to_sym): Copy length of string initializer
        to declared symbol.

2019-02-04  Martin Liska  <mliska@suse.cz>

        PR fortran/89185
        * resolve.c (resolve_ref): Remove breakout variable as
        we need to prevent prev = &(*prev)->next to happen
        with *prev == NULL.

2019-02-04  Martin Liska  <mliska@suse.cz>

        PR fortran/88912
        * scanner.c (load_file): Report error for -fpre-include
        file and do not ICE.

2019-02-02  Dominique d'Humieres  <dominiq@gcc.gnu.org>

        PR fortran/81344
        * invoke.texi: Document the behavior of repeated -ffpe-trap
        and -ffpe-summary.

2019-02-02  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/88298
        * arith.c (gfc_int2int): Do not warn if src->do_not_warn is set.
        * gfortran.h (gfc_expr): Add flag do_not_warn.
        * intrinsic.c (gfc_convert_type_warn): Set expr->do_not_warn if
        no warning is desired.

2019-02-02  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/88393
        * trans-expr.c (gfc_conv_procedure_call): For derived entities,
        passed in parentheses to class formals, invert the order of
        copying allocatable components to taking the _data of the
        class expression.

2019-02-02  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/88980
        * trans-array.c (gfc_array_init_size): Add element_size to the
        arguments.
        (gfc_array_allocate): Remove the recalculation of the size of
        the element and use element_size from the call to the above.
        Unconditionally set the span field of the descriptor.

2019-02-02  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/88685
        * expr.c (is_subref_array): Move the check for class pointer
        dummy arrays to after the reference check. If we haven't seen
        an array reference other than an element and a component is not
        class or derived, return false.

2019-02-01  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/83246
        PR fortran/89084
        * trans-decl.c (generate_local_decl): Add referenced FL_PARAMETERs
        if sym->ns->construct_entities rather than if
        sym->ns->parent->code->op == EXEC_BLOCK.

2019-01-31  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/88669
        * resolve.c (resolve_component): If the reference is a BT_CLASS,
        copy the contiguous attribute from the reference and use the
        correct attributes.

2019-01-30  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/52564
        * io.c (match_io): Add check for comma after '*' without subsequent
        IO list.

2019-01-30  Dominique d'Humieres  <dominiq@gcc.gnu.org>

        PR fortran/52884
        * invoke.texi: Document the promotion of double precision
        constants.

2019-01-29  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/57048
        * interface.c (gfc_compare_types): If a derived type and an
        integer both have a derived type, and they are identical,
        this is a C binding type and compares equal.

2019-01-26  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/57553
        * expr.c (check_inquiry): Add list of inquiry functions allowed in
        constant expressions for F2008+.

2019-01-25  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/85780
        * decl.c (gfc_match_subroutine): Check for conflict between BIND(C)
        and alternative return.

2019-01-24  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/88929
        * trans-array.c (gfc_conv_descriptor_elem_len): New function.
        * trans-array.h : Add prototype for above.
        * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Take account of
        assumed rank arrays being flagged by rank = -1 in expressions.
        Intent in arrays need a pointer to a copy of the data to be
        assigned to the descriptor passed for conversion. This should
        then be freed, together with the CFI descriptor on return from
        the C call.

2019-01-22  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/88579
        * trans-expr.c (gfc_conv_power_op): Handle cases of (2**e) ** integer
        and (- 2**e) ** integer.

2019-01-19  Dominique d'Humieres  <dominiq@gcc.gnu.org>

        PR fortran/37835
        * resolve.c (resolve_types): Add !flag_automatic.
        * symbol.c (gfc_add_save): Silence warnings.

2019-01-19  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/77960
        * io.c (match_io_element): input-item cannot be an external function.

2018-01-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
        Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/56789
        * trans-expr.c (gfc_conv_procedure_call): Call
        gfc_conv_subref_array_arg if the formal arg is contiguous
        and the actual arg may not be.

2019-01-17  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/88871
        * resolve.c (resolve_ref): Fix logic for removal of
        reference.

2019-01-19  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/88902
        * trans-decl.c (gfc_get_symbol_decl): Don't add length to function
        or parent function if it has been added there already.

2019-01-15  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/43136
        * resolve.c (resolve_array_ref): Add equal_length argument; set it
        if the length of the substring equals that of the orignal
        variable.
        (resolve_ref): Remove the substring if it is equal in length to
        the original variable, unless it is an EXPR_SUBSTRING).

2019-01-15  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/81849
        * resolve.c (resolve_symbol): Host associated varaibles can appear
        in the specification statement of a RESULT array.

2019-01-15  Paul Thomas  <pault@gcc.gnu.org>

        * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Deal with exprs
        that are indirect references; ie. dummy arguments.

2019-01-13  Dominique d'Humieres  <dominiq@gcc.gnu.org>

        PR fortran/88803
        * gfortran.texi: Replace @xref with @ref and adjust the sentence.

2019-01-13  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/57992
        * trans-array.c (gfc_conv_array_parameter): Do not pack/unpack
        functions with contiguous results.

2019-01-13  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/59345
        * trans-array.c (gfc_conv_array_parameter): Remove TODO.  Do not
        pack/unpack results of functions which return an explicit-shaped
        or allocatable array.

2019-01-12  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/61765
        * resolve.c (gfc_verify_binding_labels): Break if-elseif-elseif
        structure into independent if's with a return to simplify logic.
        Avoid a check for ENTRY name with bind(c).

2019-01-12  Paul Thomas  <pault@gcc.gnu.org>

        * gfortran.texi: Add description in sections on TS 29113 and
        further interoperability with C.
        * trans-array.c (gfc_conv_descriptor_attribute): New function.
        (gfc_get_dataptr_offset): Remove static function attribute.
        * trans-array.h: Add prototypes for above functions.
        * trans-decl.c: Add declarations for the library functions
        cfi_desc_to_gfc_desc and gfc_desc_to_cfi_desc.
        * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): New function.
        (gfc_conv_procedure_call): Call it for scalar and array actual
        arguments, when the formal arguments are bind_c with assumed
        shape or assumed rank.
        * trans.h: External declarations for gfor_fndecl_cfi_to_gfc
        and gfor_fndecl_gfc_to_cfi.

2019-01-11  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/35031
        * decl.c (gfc_match_entry): Check for F2018:C1546.  Fix nearby
        mis-indentation.

2019-01-11  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/85956
        PR lto/88733
        * trans-openmp.c: Include attribs.h.
        (gfc_walk_alloc_comps, gfc_omp_clause_linear_ctor): Handle
        VAR_DECL max bound with "omp dummy var" attribute like NULL or
        error_mark_node - recompute number of elts independently.

2019-01-11  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/59345
        * trans-array.c (gfc_conv_parameter_array): Temporary
        arrays generated for expressions do not need to be repacked.

2019-01-10  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/86322
        * decl.c (top_var_list): Set locus of expr.
        (gfc_match_data): Detect pointer on non-rightmost part-refs.

2019-01-09  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/88376
        * resolve.c (is_illegal_recursion): Remove an assert().

2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>

        PR other/16615
        * expr.c: Change "can not" to "cannot".

2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>

        PR other/16615
        * class.c: Mechanically replace "can not" with "cannot".
        * decl.c: Likewise.
        * expr.c: Likewise.
        * gfc-internals.texi: Likewise.
        * intrinsic.texi: Likewise.
        * invoke.texi: Likewise.
        * io.c: Likewise.
        * match.c: Likewise.
        * parse.c: Likewise.
        * primary.c: Likewise.
        * resolve.c: Likewise.
        * symbol.c: Likewise.
        * trans-array.c: Likewise.
        * trans-decl.c: Likewise.
        * trans-intrinsic.c: Likewise.
        * trans-stmt.c: Likewise.

2019-01-09  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/68426
        * simplify.c (gfc_simplify_spread): Also simplify if the
        type of source is an EXPR_STRUCTURE.

2019-01-08  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/88047
        * class.c (gfc_find_vtab): For polymorphic typespecs, the components of
        the class container may not be available (in case of invalid code).

2019-01-08  Richard Biener  <rguenther@suse.de>

        PR fortran/88611
        * trans-expr.c (gfc_conv_initializer): For ISOCBINDING_NULL_*
        directly build the expected GENERIC tree.

2019-01-07  Thomas Koenig  <tkoenig@gcc.gnu.org>
        Harald Anlauf <anlauf@gmx.de>
        Tobias Burnus <burnus@gcc.gnu.org>

        PR fortran/45424
        * check.c (gfc_check_is_contiguous): New function.
        * expr.c (gfc_is_not_contiguous): New function.
        * gfortran.h (gfc_isym_id): Add GFC_ISYM_IS_CONTIGUOUS.
        Add prototype for gfc_is_not_contiguous.
        * intrinsic.c (do_ts29113_check): Add GFC_ISYM_IS_CONTIGUOUS.
        (add_function): Add is_contiguous.
        * intrinsic.h: Add prototypes for gfc_check_is_contiguous,
        gfc_simplify_is_contiguous and gfc_resolve_is_contiguous.
        * intrinsic.texi: Add IS_CONTIGUOUS.
        * iresolve.c (gfc_resolve_is_contiguous): New function.
        * simplify.c (gfc_simplify_is_contiguous): New function.
        * trans-decl.c (gfor_fncecl_is_contiguous0): New variable.
        (gfc_build_intrinsic_function_decl): Add it.
        * trans-intrinsic.c (gfc_conv_intrinsic_is_contiguous): New
        function.
        (gfc_conv_intrinsic_function): Handle GFC_ISYM_IS_CONTIGUOUS.

2019-01-06  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/88658
        * gfortran.h: Add macro gfc_real_4_kind
        * simplify.c (simplify_min_max): Special case for the types of
        AMAX0, AMIN0, MAX1 and MIN1, which actually change the types of
        their arguments.

2019-01-05  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/88009
        * class.c (gfc_find_derived_vtab): Mark the _final component as
        artificial.
        (find_intrinsic_vtab): Ditto. Also add an extra check to avoid
        dereferencing a null pointer and adjust indentation.
        * resolve.c (resolve_fl_variable): Add extra check to avoid
        dereferencing a null pointer. Move variable declarations to local scope.
        (resolve_fl_procedure): Add extra check to avoid dereferencing a null
        pointer.
        * symbol.c (check_conflict): Suppress errors for artificial symbols.

2019-01-01  Steven G. Kargl  <kargl@gcc.gnu.org>

        * parse.c (decode_statement): Suppress "Unclassifiable statement"
        error if previous error messages were emittes.

2019-01-01  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/82743
        * primary.c (gfc_convert_to_structure_constructor): If a character
        in a constructor is too long, add a  warning with
        -Wcharacter-truncation.

2019-01-01  Jakub Jelinek  <jakub@redhat.com>

        Update copyright years.

        * gfortranspec.c (lang_specific_driver): Update copyright notice
        dates.
        * gfc-internals.texi: Bump @copying's copyright year.
        * gfortran.texi: Ditto.
        * intrinsic.texi: Ditto.
        * invoke.texi: Ditto.
\f
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