Regressions on trunk at revision 174276 vs revision 174267

[H.J. Lu Intel64 LTO/FDO]

New failures:

New passes:
FAIL: objc.dg/bitfield-1.m -fgnu-runtime execution test
FAIL: objc.dg/call-super-1.m -fgnu-runtime execution test
FAIL: objc.dg/call-super-3.m -fgnu-runtime execution test
FAIL: objc.dg/category-1.m -fgnu-runtime execution test
FAIL: objc.dg/defs.m -fgnu-runtime execution test
FAIL: objc.dg/desig-init-1.m -fgnu-runtime execution test
FAIL: objc.dg/encode-2.m -fgnu-runtime execution test
FAIL: objc.dg/exceptions-2.m -fgnu-runtime execution test
FAIL: objc.dg/foreach-1.m -fgnu-runtime execution test
FAIL: objc.dg/foreach-2.m -fgnu-runtime execution test
FAIL: objc.dg/foreach-4.m -fgnu-runtime execution test
FAIL: objc.dg/foreach-5.m -fgnu-runtime execution test
FAIL: objc.dg/func-ptr-1.m -fgnu-runtime execution test
FAIL: objc.dg/func-ptr-2.m -fgnu-runtime execution test
FAIL: objc.dg/gnu-runtime-3.m -fgnu-runtime execution test
FAIL: objc.dg/lookup-1.m -fgnu-runtime execution test
FAIL: objc.dg/method-10.m -fgnu-runtime execution test
FAIL: objc.dg/method-20b.m -fgnu-runtime execution test
FAIL: objc.dg/method-3.m -fgnu-runtime execution test
FAIL: objc.dg/property/property-1.m -fgnu-runtime execution test
FAIL: objc.dg/stret-1.m -fgnu-runtime execution test
FAIL: objc.dg/super-class-3.m -fgnu-runtime execution test
FAIL: objc.dg/torture/tls/thr-init-3.m  -O0  -fgnu-runtime execution test
FAIL: objc.dg/torture/tls/thr-init-3.m  -O1  -fgnu-runtime execution test
FAIL: objc.dg/torture/tls/thr-init-3.m  -O2  -fgnu-runtime execution test
FAIL: objc.dg/torture/tls/thr-init-3.m  -O2 -flto  -fgnu-runtime execution test
FAIL: objc.dg/torture/tls/thr-init-3.m  -O2 -flto -flto-partition=none  -fgnu-runtime execution test
FAIL: objc.dg/torture/tls/thr-init-3.m  -O3 -fomit-frame-pointer  -fgnu-runtime execution test
FAIL: objc.dg/torture/tls/thr-init-3.m  -O3 -g  -fgnu-runtime execution test
FAIL: objc.dg/torture/tls/thr-init-3.m  -Os  -fgnu-runtime execution test
FAIL: objc.dg/torture/trivial.m  -O0  -fgnu-runtime execution test
FAIL: objc.dg/torture/trivial.m  -O1  -fgnu-runtime execution test
FAIL: objc.dg/torture/trivial.m  -O2  -fgnu-runtime execution test
FAIL: objc.dg/torture/trivial.m  -O2 -flto  -fgnu-runtime execution test
FAIL: objc.dg/torture/trivial.m  -O2 -flto -flto-partition=none  -fgnu-runtime execution test
FAIL: objc.dg/torture/trivial.m  -O3 -fomit-frame-pointer  -fgnu-runtime execution test
FAIL: objc.dg/torture/trivial.m  -O3 -g  -fgnu-runtime execution test
FAIL: objc.dg/torture/trivial.m  -Os  -fgnu-runtime execution test
FAIL: objc.dg/va-meth-1.m -fgnu-runtime execution test