Regressions on trunk at revision 143968 vs revision 143962

[H.J. Lu Intel64]

New failures:

New passes:
FAIL: gcc.dg/tree-prof/bb-reorg.c compilation,  -fprofile-use -D_PROFILE_USE
FAIL: gcc.dg/tree-prof/pr34999.c compilation,  -fprofile-use -D_PROFILE_USE
FAIL: objc/execute/forward-1.m execution,  -O0 -fgnu-runtime
FAIL: objc/execute/forward-1.m execution,  -O1 -fgnu-runtime
FAIL: objc/execute/forward-1.m execution,  -O2 -fgnu-runtime
FAIL: objc/execute/forward-1.m execution,  -O3 -fomit-frame-pointer -fgnu-runtime
FAIL: objc/execute/forward-1.m execution,  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions -fgnu-runtime
FAIL: objc/execute/forward-1.m execution,  -O3 -fomit-frame-pointer -funroll-loops -fgnu-runtime
FAIL: objc/execute/forward-1.m execution,  -O3 -g -fgnu-runtime
FAIL: objc/execute/forward-1.m execution,  -Os -fgnu-runtime