Regressions on trunk at revision 175679 vs revision 175627

[H.J. Lu Intel64 Core 2/i7]

New failures:
WARNING: program timed out.

New passes:
FAIL: libffi.call/cls_double_va.c -O0 -W -Wall output pattern test, is 7.0
FAIL: libffi.call/cls_double_va.c -O0 -W -Wall output pattern test, is 7.0
FAIL: libffi.call/cls_double_va.c -O2 -fomit-frame-pointer output pattern test, is 7.0
FAIL: libffi.call/cls_double_va.c -O2 -fomit-frame-pointer output pattern test, is 7.0
FAIL: libffi.call/cls_double_va.c -O2 output pattern test, is 7.0
FAIL: libffi.call/cls_double_va.c -O2 output pattern test, is 7.0
FAIL: libffi.call/cls_double_va.c -O3 output pattern test, is 7.0
FAIL: libffi.call/cls_double_va.c -O3 output pattern test, is 7.0
FAIL: libffi.call/cls_double_va.c -Os output pattern test, is 7.0
FAIL: libffi.call/cls_double_va.c -Os output pattern test, is 7.0
FAIL: libffi.call/cls_longdouble_va.c -O0 -W -Wall output pattern test, is 7.0
FAIL: libffi.call/cls_longdouble_va.c -O0 -W -Wall output pattern test, is 7.0
FAIL: libffi.call/cls_longdouble_va.c -O2 -fomit-frame-pointer output pattern test, is 7.0
FAIL: libffi.call/cls_longdouble_va.c -O2 -fomit-frame-pointer output pattern test, is 7.0
FAIL: libffi.call/cls_longdouble_va.c -O2 output pattern test, is 7.0
FAIL: libffi.call/cls_longdouble_va.c -O2 output pattern test, is 7.0
FAIL: libffi.call/cls_longdouble_va.c -O3 output pattern test, is 7.0
FAIL: libffi.call/cls_longdouble_va.c -O3 output pattern test, is 7.0
FAIL: libffi.call/cls_longdouble_va.c -Os output pattern test, is 7.0
FAIL: libffi.call/cls_longdouble_va.c -Os output pattern test, is 7.0