schluter@pcl247d:~/src/work> cat const.f90 module const real(8), parameter :: g = - sqrt(2._8) * Gf end module const schluter@pcl247d:~/src/work> ../gcc/build/gcc/f951 const.f90 const.f90:0: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <URL:http://gcc.gnu.org/bugs.html> for instructions. schluter@pcl247d:~/src/work> The uninitialized variable is necessary for the segfault. In the debugger: (gdb) run const.f90 Starting program: /home/pcl331/schluter/src/gcc/build/gcc/f951 const.f90 Program received signal SIGSEGV, Segmentation fault. 0x0805efad in check_inquiry (e=0x8695ad0) at ../../gcc/fortran/expr.c:1382 1382 name = e->symtree->n.sym->name; (gdb) bt #0 0x0805efad in check_inquiry (e=0x8695ad0) at ../../gcc/fortran/expr.c:1382 #1 0x0806082b in check_init_expr (e=0x8695ad0) at ../../gcc/fortran/expr.c:1443 #2 0x0805edc6 in check_intrinsic_op (e=0x8695b28, check_function=0x80607c0 <check_init_expr>) at ../../gcc/fortran/expr.c:1284 #3 0x0806081d in check_init_expr (e=0x8695b28) at ../../gcc/fortran/expr.c:1434 #4 0x0805ed32 in check_intrinsic_op (e=0x8695c78, check_function=0x80607c0 <check_init_expr>) at ../../gcc/fortran/expr.c:1250 #5 0x0806081d in check_init_expr (e=0x8695c78) at ../../gcc/fortran/expr.c:1434 #6 0x0805ed32 in check_intrinsic_op (e=0x8695cd0, check_function=0x80607c0 <check_init_expr>) at ../../gcc/fortran/expr.c:1250 #7 0x0806081d in check_init_expr (e=0x8695cd0) at ../../gcc/fortran/expr.c:1434 #8 0x08060a52 in gfc_match_init_expr (result=0xbfffed64) at ../../gcc/fortran/expr.c:1543 #9 0x08059f00 in variable_decl (elem=Variable "elem" is not available. ) at ../../gcc/fortran/decl.c:1209 #10 0x0805aa82 in gfc_match_data_decl () at ../../gcc/fortran/decl.c:2240 #11 0x0807ec0a in match_word (str=Variable "str" is not available. ) at ../../gcc/fortran/parse.c:65 #12 0x0807ed1d in decode_statement () at ../../gcc/fortran/parse.c:134 #13 0x0807f745 in next_statement () at ../../gcc/fortran/parse.c:358 #14 0x08080a5b in parse_spec (st=ST_NONE) at ../../gcc/fortran/parse.c:1556 #15 0x080815f9 in gfc_parse_file () at ../../gcc/fortran/parse.c:2501 #16 0x0809cadd in gfc_be_parse_file (set_yydebug=0) at ../../gcc/fortran/f95-lang.c:286 #17 0x0836cf40 in toplev_main (argc=2, argv=0xbfffefd4) at ../../gcc/toplev.c:990 #18 0x080c766f in main (argc=Cannot access memory at address 0x0 ) at ../../gcc/main.c:35 (gdb)
Confirmed.
Subject: Bug 25018 Author: pault Date: Sun Dec 18 14:01:00 2005 New Revision: 108753 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=108753 Log: 2005-12-18 Paul Thomas <pault@gcc.gnu.org> PR fortran/25018 *expr.c(check_inquiry): Return FAILURE if there is no symtree to provide a name. Error/warning for assumed character length argument to LEN for an initialization expression, using GFC_GNU_STD. Add an argument to flag that the expression is not restricted. (check_init_expr): Improve the message for a failing variable. (gfc_match_init_expr): Call check_enquiry again to make sure that unsimplified expressions are not causing unnecessary errors. 2005-12-18 Paul Thomas <pault@gcc.gnu.org> PR fortran/25018 *gfortran.dg/initialization_1.f90: New test. *gfortran.dg/enum_5.f90: Change dg-error to new message. *gfortran.dg/g77/980616-0.f: The same. Added: trunk/gcc/testsuite/gfortran.dg/initialization_1.f90 Modified: trunk/gcc/cp/ChangeLog trunk/gcc/fortran/ChangeLog trunk/gcc/fortran/expr.c trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/gfortran.dg/enum_5.f90 trunk/gcc/testsuite/gfortran.dg/g77/980616-0.f
Fixed on trunk and 4.1
Subject: Bug 25018 Author: pault Date: Mon Dec 26 09:07:27 2005 New Revision: 109061 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=109061 Log: 2005-12-26 Paul Thomas <pault@gcc.gnu.org> PR fortran/20889 *resolve.c(resolve_structure_cons): Do not attempt to convert the type of mismatched pointer type components, except when the constructor component is BT_UNKNOWN; emit error instead. PR fortran/25018 * expr.c (check_inquiry): Return FAILURE if there is no symtree to provide a name. Error/warning for assumed character length argument to LEN for an initialization expression, using GFC_GNU_STD. Add an argument to flag that the expression is not restricted. (check_init_expr): Improve the message for a failing variable. (gfc_match_init_expr): Call check_enquiry again to make sure that unsimplified expressions are not causing unnecessary errors. PR fortran/19362 PR fortran/20244 PR fortran/20864 PR fortran/25391 * interface.c (gfc_compare_types): Broken into two. (gfc_compare_derived_types): Second half of gfc_compare_types with corrections for a missing check that module name is non-NULL and a check for private components. * symbol.c (gfc_free_dt_list): New function. (gfc_free_namespace): Call gfc_free_dt_list. * resolve.c (resolve_symbol): Build the list of derived types in the symbols namespace. * gfortran.h: Define the structure type gfc_dt_list. Add a new field, derived_types to gfc_namespace. Provide a prototye for the new function gfc_compare_derived_types. * trans_types.c (gfc_get_derived_type): Test for the derived type being available in the host namespace. In this case, the host backend declaration is used for the structure and its components. If an unbuilt, equal structure that is not use associated is found in the host namespace, build it there and then. On exit,traverse the namespace of the derived type to see if there are equal but unbuilt. If so, copy the structure and its component declarations. (copy_dt_decls_ifequal): New functions to copy declarations to other equal structure types. PR fortran/20862 * io.c (gfc_match_format): Make the appearance of a format statement in a module specification block an error. PR fortran/23152 * match.c (gfc_match_namelist): Set assumed shape arrays in namelists as std=GFC_STD_GNU and assumed size arrays as an unconditional error. PR fortran/25069 * match.c (gfc_match_namelist): Set the respecification of a USE associated namelist group as std=GFC_STD_GNU. Permit the concatenation on no error. PR fortran/25053 PR fortran/25063 PR fortran/25064 PR fortran/25066 PR fortran/25067 PR fortran/25068 PR fortran/25307 * io.c (resolve_tag): Change std on IOSTAT != default integer to GFC_STD_GNU and change message accordingly. Add same error for SIZE. (match_dt_element, gfortran.h): Add field err_where to gfc_dt and set it when tags are being matched. (gfc_resolve_dt): Remove tests that can be done before resolution and add some of the new ones here. (check_io_constraints): New function that checks for most of the data transfer constraints. Some of these were previously done in match_io, from where this function is called, and some were done in gfc_resolve_dt. (match_io): Remove most of the tests of constraints and add the call to check_io_constraints. 2005-12-26 Paul Thomas <pault@gcc.gnu.org> PR fortran/20889 * gfortran.dg/pointer_component_type_1.f90: New test. PR fortran/25018 * gfortran.dg/initialization_1.f90: New test. * gfortran.dg/enum_5.f90: Change dg-error to new message. * gfortran.dg/g77/980616-0.f: The same. PR fortran/19362 PR fortran/20244 PR fortran/20864 PR fortran/25391 *gfortran.dg/used_dummy_types_1.f90: New test. *gfortran.dg/used_dummy_types_2.f90: New test. *gfortran.dg/used_dummy_types_3.f90: New test. *gfortran.dg/used_dummy_types_4.f90: New test. *gfortran.dg/used_dummy_types_5.f90: New test. PR fortran/23152 * gfortran.dg/namelist_use.f90: Add trap for warning on NAMELIST group already being USE associated. * gfortran.dg/assumed_shape_nml.f90: New test. * gfortran.dg/assumed_size_nml.f90: New test. PR fortran/20862 PR fortran/25053 PR fortran/25063 PR fortran/25064 PR fortran/25066 PR fortran/25067 PR fortran/25068 PR fortran/25307 * gfortran.dg/io_constraints_1.f90: New test. * gfortran.dg/io_constraints_1.f90: New test. * gfortran.dg/iostat_3.f90: Change wording of warning. * gfortran.dg/g77/19981216-0.f: the same. Modified: branches/gcc-4_1-branch/gcc/fortran/ChangeLog branches/gcc-4_1-branch/gcc/fortran/expr.c branches/gcc-4_1-branch/gcc/fortran/gfortran.h branches/gcc-4_1-branch/gcc/fortran/interface.c branches/gcc-4_1-branch/gcc/fortran/io.c branches/gcc-4_1-branch/gcc/fortran/match.c branches/gcc-4_1-branch/gcc/fortran/resolve.c branches/gcc-4_1-branch/gcc/fortran/symbol.c branches/gcc-4_1-branch/gcc/fortran/trans-types.c branches/gcc-4_1-branch/gcc/testsuite/ChangeLog branches/gcc-4_1-branch/gcc/testsuite/gfortran.dg/enum_5.f90 branches/gcc-4_1-branch/gcc/testsuite/gfortran.dg/g77/19981216-0.f branches/gcc-4_1-branch/gcc/testsuite/gfortran.dg/g77/980616-0.f branches/gcc-4_1-branch/gcc/testsuite/gfortran.dg/namelist_use.f90
Subject: Bug 25018 Author: pault Date: Thu Dec 29 06:18:23 2005 New Revision: 109139 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=109139 Log: 2005-12-29 Paul Thomas <pault@gcc.gnu.org> PR fortran/25532 * trans-types.c (copy_dt_decls_ifequal): Copy declarations for components of derived type components by recursing into gfc_get_derived_type. 2005-12-29 Paul Thomas <pault@gcc.gnu.org> PR fortran/25532 *gfortran.dg/host_used_types_1.f90: Check that host associated derived type components of derived types are properly declared in contained procedures. The following tests were not added on the 2005-12-26 commit. PR fortran/20889 * gfortran.dg/pointer_component_type_1.f90: New test. PR fortran/25018 * gfortran.dg/initialization_1.f90: New test. PR fortran/19362 PR fortran/20244 PR fortran/20864 PR fortran/25391 * gfortran.dg/used_dummy_types_1.f90: New test. * gfortran.dg/used_dummy_types_2.f90: New test. * gfortran.dg/used_dummy_types_3.f90: New test. * gfortran.dg/used_dummy_types_4.f90: New test. * gfortran.dg/used_dummy_types_5.f90: New test. PR fortran/23152 * gfortran.dg/assumed_shape_nml.f90: New test. * gfortran.dg/assumed_size_nml.f90: New test. PR fortran/20862 PR fortran/25053 PR fortran/25063 PR fortran/25064 PR fortran/25066 PR fortran/25067 PR fortran/25068 PR fortran/25307 * gfortran.dg/io_constraints_1.f90: New test. * gfortran.dg/io_constraints_1.f90: New test. Added: branches/gcc-4_1-branch/gcc/testsuite/gfortran.dg/assumed_shape_nml.f90 branches/gcc-4_1-branch/gcc/testsuite/gfortran.dg/assumed_size_nml.f90 branches/gcc-4_1-branch/gcc/testsuite/gfortran.dg/host_used_types_1.f90 branches/gcc-4_1-branch/gcc/testsuite/gfortran.dg/initialization_1.f90 branches/gcc-4_1-branch/gcc/testsuite/gfortran.dg/io_constraints_1.f90 branches/gcc-4_1-branch/gcc/testsuite/gfortran.dg/io_constraints_2.f90 branches/gcc-4_1-branch/gcc/testsuite/gfortran.dg/pointer_component_type_1.f90 branches/gcc-4_1-branch/gcc/testsuite/gfortran.dg/used_dummy_types_1.f90 branches/gcc-4_1-branch/gcc/testsuite/gfortran.dg/used_dummy_types_2.f90 branches/gcc-4_1-branch/gcc/testsuite/gfortran.dg/used_dummy_types_3.f90 branches/gcc-4_1-branch/gcc/testsuite/gfortran.dg/used_dummy_types_4.f90 branches/gcc-4_1-branch/gcc/testsuite/gfortran.dg/used_dummy_types_5.f90 Modified: branches/gcc-4_1-branch/gcc/fortran/ChangeLog branches/gcc-4_1-branch/gcc/fortran/trans-types.c branches/gcc-4_1-branch/gcc/testsuite/ChangeLog