https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79944
--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Fri May 5 21:40:10 2017 New Revision: 247685 URL: https://gcc.gnu.org/viewcvs?rev=247685&root=gcc&view=rev Log: Backported from mainline 2017-03-09 Jakub Jelinek <ja...@redhat.com> PR sanitizer/79944 * asan.c (get_mem_refs_of_builtin_call): For BUILT_IN_ATOMIC* and BUILT_IN_SYNC*, determine the access type from the size suffix and always build a MEM_REF with that type. Handle forgotten BUILT_IN_SYNC_FETCH_AND_NAND_16 and BUILT_IN_SYNC_NAND_AND_FETCH_16. * c-c++-common/asan/pr79944.c: New test. Added: branches/gcc-6-branch/gcc/testsuite/c-c++-common/asan/pr79944.c Modified: branches/gcc-6-branch/gcc/ChangeLog branches/gcc-6-branch/gcc/asan.c branches/gcc-6-branch/gcc/testsuite/ChangeLog