Regressions on trunk at revision 175638 vs revision 175626

[Kirill Yukhin [Intel64 Core i7 AVX]]

New failures:

New passes:
FAIL: g++.dg/cpp0x/constexpr-ptrmem.C (test for excess errors)
FAIL: g++.dg/cpp0x/constexpr-ptrmem.C (test for excess errors)
FAIL: g++.dg/tree-ssa/fwprop-align.C scan-tree-dump-times forwprop2 "& 1" 0
FAIL: g++.dg/tree-ssa/fwprop-align.C scan-tree-dump-times forwprop2 "& 1" 0
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