https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85172
--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Fri Jun 22 21:05:52 2018 New Revision: 261947 URL: https://gcc.gnu.org/viewcvs?rev=261947&root=gcc&view=rev Log: Backported from mainline 2018-04-04 Jakub Jelinek <ja...@redhat.com> PR inline-asm/85172 * constexpr.c (cxx_eval_builtin_function_call): For calls to builtin_valid_in_constant_expr_p functions, don't call cxx_eval_constant_expression if argument is not potential_constant_expression. * g++.dg/ext/builtin13.C: New test. * g++.dg/ext/atomic-4.C: New test. Added: branches/gcc-7-branch/gcc/testsuite/g++.dg/ext/atomic-4.C branches/gcc-7-branch/gcc/testsuite/g++.dg/ext/builtin13.C Modified: branches/gcc-7-branch/gcc/cp/ChangeLog branches/gcc-7-branch/gcc/cp/constexpr.c branches/gcc-7-branch/gcc/testsuite/ChangeLog