Regressions on trunk at revision 216557 vs revision 216539

[H.J. Lu ia32 Core i7]

New failures:

New passes:
FAIL: gcc.target/i386/avx-1.c (internal compiler error)
FAIL: gcc.target/i386/avx-1.c (test for excess errors)
FAIL: gcc.target/i386/avx-2.c (internal compiler error)
FAIL: gcc.target/i386/avx-2.c (test for excess errors)
FAIL: gcc.target/i386/avx512f-vec-init.c (internal compiler error)
FAIL: gcc.target/i386/avx512f-vec-init.c (test for excess errors)
FAIL: gcc.target/i386/sse-14.c (internal compiler error)
FAIL: gcc.target/i386/sse-14.c (test for excess errors)
FAIL: gcc.target/i386/sse-22a.c (internal compiler error)
FAIL: gcc.target/i386/sse-22a.c (test for excess errors)
FAIL: gcc.target/i386/sse-22.c (internal compiler error)
FAIL: gcc.target/i386/sse-22.c (test for excess errors)
FAIL: gcc.target/i386/sse-23.c (internal compiler error)
FAIL: gcc.target/i386/sse-23.c (test for excess errors)
FAIL: gcc.target/i386/sse-24.c (internal compiler error)
FAIL: gcc.target/i386/sse-24.c (test for excess errors)