Regressions on trunk at revision 258517 vs revision 258512

[H.J. Lu ia32]

New failures:

New passes:
FAIL: c-c++-common/ubsan/ptr-overflow-sanitization-1.c   -O0   scan-tree-dump-times optimized "__ubsan_handle_pointer_overflow" 17 (found 14 times)
FAIL: c-c++-common/ubsan/ptr-overflow-sanitization-1.c   -O0   scan-tree-dump-times optimized "__ubsan_handle_pointer_overflow" 17 (found 14 times)
FAIL: c-c++-common/ubsan/ptr-overflow-sanitization-1.c   -O1   scan-tree-dump-times optimized "__ubsan_handle_pointer_overflow" 17 (found 14 times)
FAIL: c-c++-common/ubsan/ptr-overflow-sanitization-1.c   -O1   scan-tree-dump-times optimized "__ubsan_handle_pointer_overflow" 17 (found 14 times)
FAIL: c-c++-common/ubsan/ptr-overflow-sanitization-1.c   -O2   scan-tree-dump-times optimized "__ubsan_handle_pointer_overflow" 17 (found 14 times)
FAIL: c-c++-common/ubsan/ptr-overflow-sanitization-1.c   -O2   scan-tree-dump-times optimized "__ubsan_handle_pointer_overflow" 17 (found 14 times)
FAIL: c-c++-common/ubsan/ptr-overflow-sanitization-1.c   -O3 -g   scan-tree-dump-times optimized "__ubsan_handle_pointer_overflow" 17 (found 14 times)
FAIL: c-c++-common/ubsan/ptr-overflow-sanitization-1.c   -O3 -g   scan-tree-dump-times optimized "__ubsan_handle_pointer_overflow" 17 (found 14 times)
FAIL: c-c++-common/ubsan/ptr-overflow-sanitization-1.c   -Os   scan-tree-dump-times optimized "__ubsan_handle_pointer_overflow" 17 (found 14 times)
FAIL: c-c++-common/ubsan/ptr-overflow-sanitization-1.c   -Os   scan-tree-dump-times optimized "__ubsan_handle_pointer_overflow" 17 (found 14 times)