https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89933
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Tue Apr 30 21:05:00 2019 New Revision: 270751 URL: https://gcc.gnu.org/viewcvs?rev=270751&root=gcc&view=rev Log: Backported from mainline 2019-04-12 Jakub Jelinek <ja...@redhat.com> PR c/89933 * c-decl.c (merge_decls): When newdecl's type is its main variant, don't try to remove it from the variant list, but instead assert it has no variants. * decl.c (duplicate_decls): When newdecl's type is its main variant, don't try to remove it from the variant list, but instead assert it has no variants. * c-c++-common/pr89933.c: New test. Added: branches/gcc-8-branch/gcc/testsuite/c-c++-common/pr89933.c Modified: branches/gcc-8-branch/gcc/c/ChangeLog branches/gcc-8-branch/gcc/c/c-decl.c branches/gcc-8-branch/gcc/cp/ChangeLog branches/gcc-8-branch/gcc/cp/decl.c branches/gcc-8-branch/gcc/testsuite/ChangeLog