https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89077
--- Comment #21 from anlauf at gcc dot gnu.org --- Author: anlauf Date: Sun Mar 3 22:24:00 2019 New Revision: 269357 URL: https://gcc.gnu.org/viewcvs?rev=269357&root=gcc&view=rev Log: 2019-03-03 Harald Anlauf <anl...@gmx.de> Backport from trunk PR fortran/89077 * decl.c (gfc_set_constant_character_len): Clear original string representation after padding has been performed to target length. * resolve.c (gfc_resolve_substring_charlen): Check substring length for constantness prior to general calculation of length. Backport from trunk PR fortran/89077 * gfortran.dg/transfer_simplify_12.f90: New test. * gfortran.dg/substr_simplify.f90: New test. Added: branches/gcc-8-branch/gcc/testsuite/gfortran.dg/substr_simplify.f90 branches/gcc-8-branch/gcc/testsuite/gfortran.dg/transfer_simplify_12.f90 Modified: branches/gcc-8-branch/gcc/fortran/ChangeLog branches/gcc-8-branch/gcc/fortran/decl.c branches/gcc-8-branch/gcc/fortran/resolve.c branches/gcc-8-branch/gcc/testsuite/ChangeLog