https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83993
--- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Sat Mar 3 13:23:43 2018 New Revision: 258181 URL: https://gcc.gnu.org/viewcvs?rev=258181&root=gcc&view=rev Log: Backported from mainline 2018-01-31 Jason Merrill <ja...@redhat.com> Jakub Jelinek <ja...@redhat.com> PR c++/83993 * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT on ADDR_EXPR. * g++.dg/init/pr83993-2.C: New test. Added: branches/gcc-7-branch/gcc/testsuite/g++.dg/init/pr83993-2.C Modified: branches/gcc-7-branch/gcc/cp/ChangeLog branches/gcc-7-branch/gcc/cp/constexpr.c branches/gcc-7-branch/gcc/testsuite/ChangeLog