Regressions on trunk at revision 251178 vs revision 251143

[H.J. Lu Intel64 Core i7]

New failures:

New passes:
FAIL: c-c++-common/asan/pr64820.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  output pattern test
FAIL: c-c++-common/asan/pr64820.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  output pattern test
FAIL: c-c++-common/asan/pr64820.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  output pattern test
FAIL: c-c++-common/asan/pr64820.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  output pattern test
FAIL: c-c++-common/asan/pr64820.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  output pattern test
FAIL: c-c++-common/asan/pr64820.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  output pattern test
FAIL: c-c++-common/asan/pr64820.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  output pattern test
FAIL: c-c++-common/asan/pr64820.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  output pattern test