https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82159
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Sat Sep 30 08:25:02 2017 New Revision: 253318 URL: https://gcc.gnu.org/viewcvs?rev=253318&root=gcc&view=rev Log: Backported from mainline 2017-09-27 Jakub Jelinek <ja...@redhat.com> PR c++/82159 * gimplify.c (gimplify_modify_expr): Don't optimize away zero sized lhs from calls if the lhs has addressable type. * g++.dg/opt/pr82159.C: New test. Added: branches/gcc-7-branch/gcc/testsuite/g++.dg/opt/pr82159.C Modified: branches/gcc-7-branch/gcc/ChangeLog branches/gcc-7-branch/gcc/gimplify.c branches/gcc-7-branch/gcc/testsuite/ChangeLog
