https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67977
--- Comment #2 from Paul Thomas <pault at gcc dot gnu.org> --- Author: pault Date: Sun Oct 18 09:31:21 2015 New Revision: 228940 URL: https://gcc.gnu.org/viewcvs?rev=228940&root=gcc&view=rev Log: 2015-10-18 Paul Thomas <pa...@gcc.gnu.org> PR fortran/67177 PR fortran/67977 * primary.c (match_substring): Add an argument 'deferred' to flag that a substring reference with null start and end should not be optimized away for deferred length strings. (match_string_constant, gfc_match_rvalue): Set the argument. * trans-expr.c (alloc_scalar_allocatable_for_assignment): If there is a substring reference return. * trans-intrinsic.c (conv_intrinsic_move_alloc): For deferred characters, assign the 'from' string length to the 'to' string length. If the 'from' expression is deferred, set its string length to zero. If the 'to' expression has allocatable components, deallocate them. 2015-10-18 Paul Thomas <pa...@gcc.gnu.org> PR fortran/67177 * gfortran.dg/move_alloc_15.f90: New test * gfortran.dg/move_alloc_16.f90: New test PR fortran/67977 * gfortran.dg/deferred_character_assignment_1.f90: New test Added: trunk/gcc/testsuite/gfortran.dg/deferred_character_assignment_1.f90 trunk/gcc/testsuite/gfortran.dg/move_alloc_15.f90 trunk/gcc/testsuite/gfortran.dg/move_alloc_16.f90 Modified: trunk/gcc/fortran/ChangeLog trunk/gcc/fortran/primary.c trunk/gcc/fortran/trans-expr.c trunk/gcc/fortran/trans-intrinsic.c trunk/gcc/testsuite/ChangeLog
