r121841 - in /branches/gcc-4_2-branch: gcc/fort...

[pault@gcc.gnu.org]

Author: pault
Date: Mon Feb 12 07:34:51 2007
New Revision: 121841

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=121841
Log:
2007-02-12  Paul Thomas  <pault@gcc.gnu.org>

	BACKPORTS FROM TRUNK

	PR fortran/30284
	PR fortran/30626
	* trans-expr.c (gfc_conv_aliased_arg): Remove static attribute
	from function and make sure that substring lengths are
	translated.
	(is_aliased_array): Remove static attribute.
	* trans.c : Add prototypes for gfc_conv_aliased_arg and
	is_aliased_array.
	* trans-io.c (set_internal_unit): Add the post block to the
	arguments of the function.  Use is_aliased_array to check if
	temporary is needed; if so call gfc_conv_aliased_arg.
	(build_dt): Pass the post block to set_internal_unit and
	add to the block after all io activiy is done.

	PR fortran/30407
	* trans-expr.c (gfc_conv_operator_assign): New function.
	* trans.h : Add prototype for gfc_conv_operator_assign.
	* trans-stmt.c (gfc_trans_where_assign): Add a gfc_symbol for
	a potential operator assignment subroutine.  If it is non-NULL
	call gfc_conv_operator_assign instead of the first assignment.
	( gfc_trans_where_2): In the case of an operator assignment,
	extract the argument expressions from the code for the
	subroutine call and pass the symbol to gfc_trans_where_assign.
	resolve.c (resolve_where, gfc_resolve_where_code_in_forall,
	gfc_resolve_forall_body): Resolve the subroutine call for
	operator assignments.

	PR fortran/30514
	* array.c (match_array_element_spec): If the length of an array is
	negative, adjust the upper limit to make it zero length.

2007-02-12  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/30284
	* gfortran.dg/arrayio_11.f90: New test.

	PR fortran/30626
	* gfortran.dg/arrayio_12.f90: New test.

	PR fortran/30407
	* gfortran.dg/where_operator_assign_1.f90: New test.
	* gfortran.dg/where_operator_assign_2.f90: New test.
	* gfortran.dg/where_operator_assign_3.f90: New test.

	PR fortran/30514
	* gfortran.dg/zero_sized_2.f90: New test.

2007-02-12  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/30284
	PR fortran/30626
	* io/transfer.c (init_loop_spec, next_array_record): Change to
	lbound rather than unity base.

Added:
    branches/gcc-4_2-branch/gcc/testsuite/gfortran.dg/arrayio_11.f90
    branches/gcc-4_2-branch/gcc/testsuite/gfortran.dg/arrayio_12.f90
    branches/gcc-4_2-branch/gcc/testsuite/gfortran.dg/where_operator_assign_1.f90
    branches/gcc-4_2-branch/gcc/testsuite/gfortran.dg/where_operator_assign_2.f90
    branches/gcc-4_2-branch/gcc/testsuite/gfortran.dg/where_operator_assign_3.f90
    branches/gcc-4_2-branch/gcc/testsuite/gfortran.dg/zero_sized_2.f90
Modified:
    branches/gcc-4_2-branch/gcc/fortran/ChangeLog
    branches/gcc-4_2-branch/gcc/fortran/array.c
    branches/gcc-4_2-branch/gcc/fortran/resolve.c
    branches/gcc-4_2-branch/gcc/fortran/trans-expr.c
    branches/gcc-4_2-branch/gcc/fortran/trans-io.c
    branches/gcc-4_2-branch/gcc/fortran/trans-stmt.c
    branches/gcc-4_2-branch/gcc/fortran/trans.h
    branches/gcc-4_2-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_2-branch/libgfortran/ChangeLog
    branches/gcc-4_2-branch/libgfortran/io/transfer.c