Regressions on trunk at revision 218988 vs revision 218987

[H.J. Lu Intel64]

New failures:
FAIL: c-c++-common/ubsan/object-size-9.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  output pattern test, is c-c++-common/ubsan/object-size-9.c:21:11: runtime error: load of address 0x7fffa210327c with insufficient space for an object of type 'char'
FAIL: ext/profile/mutex_extensions_neg.cc  (test for errors, line 306)
FAIL: ext/profile/mutex_extensions_neg.cc  (test for errors, line 306)
FAIL: ext/profile/mutex_extensions_neg.cc (test for excess errors)

New passes:
FAIL: c-c++-common/ubsan/object-size-9.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  output pattern test, is c-c++-common/ubsan/object-size-9.c:21:11: runtime error: load of address 0x7fff9b9a858c with insufficient space for an object of type 'char'