https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92296
--- Comment #18 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Thu Nov 21 17:15:56 2019 New Revision: 278581 URL: https://gcc.gnu.org/viewcvs?rev=278581&root=gcc&view=rev Log: Backported from mainline 2019-10-31 Jakub Jelinek <ja...@redhat.com> PR preprocessor/92296 * internal.h (struct def_pragma_macro): Add is_builtin bitfield. (_cpp_restore_special_builtin): Declare. * init.c (_cpp_restore_special_builtin): New function. * directives.c (do_pragma_push_macro): For NT_MACRO with NODE_BUILTIN set is_builtin and don't try to grab definition. (cpp_pop_definition): Use _cpp_restore_special_builtin to restore builtin macros. * c-c++-common/cpp/pr92296-1.c: New test. * c-c++-common/cpp/pr92296-2.c: New test. Added: branches/gcc-8-branch/gcc/testsuite/c-c++-common/cpp/pr92296-1.c branches/gcc-8-branch/gcc/testsuite/c-c++-common/cpp/pr92296-2.c Modified: branches/gcc-8-branch/gcc/testsuite/ChangeLog branches/gcc-8-branch/libcpp/ChangeLog branches/gcc-8-branch/libcpp/directives.c branches/gcc-8-branch/libcpp/init.c branches/gcc-8-branch/libcpp/internal.h
