Regressions on trunk at revision 218142 vs revision 218137

[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 0x7ffffce8bd1c with insufficient space for an object of type 'char'
FAIL: gcc.dg/pr37289.c scan-tree-dump original "-\\(long unsigned int\\) x"
FAIL: gcc.dg/pr37289.c scan-tree-dump original "-\\(long unsigned int\\) x"

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 0x7fff7ec8885c with insufficient space for an object of type 'char'