Regressions on trunk at revision 162920 vs revision 162918

[H.J. Lu Intel64]

New failures:

New passes:
FAIL: g++.dg/torture/stackalign/eh-fastcall-1.C  -O1  execution test
FAIL: g++.dg/torture/stackalign/eh-fastcall-1.C  -O2  execution test
FAIL: g++.dg/torture/stackalign/eh-fastcall-1.C  -O2 -flto  execution test
FAIL: g++.dg/torture/stackalign/eh-fastcall-1.C  -O2 -fwhopr  execution test
FAIL: g++.dg/torture/stackalign/eh-fastcall-1.C  -O3 -fomit-frame-pointer  execution test
FAIL: g++.dg/torture/stackalign/eh-fastcall-1.C  -O3 -g  execution test
FAIL: g++.dg/torture/stackalign/eh-thiscall-1.C  -O1  execution test
FAIL: g++.dg/torture/stackalign/eh-thiscall-1.C  -O2  execution test
FAIL: g++.dg/torture/stackalign/eh-thiscall-1.C  -O2 -flto  execution test
FAIL: g++.dg/torture/stackalign/eh-thiscall-1.C  -O2 -fwhopr  execution test
FAIL: g++.dg/torture/stackalign/eh-thiscall-1.C  -O3 -fomit-frame-pointer  execution test
FAIL: g++.dg/torture/stackalign/eh-thiscall-1.C  -O3 -g  execution test