Regressions on trunk at revision 216420 vs revision 216382

[H.J. Lu x32]

New failures:
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/avx512f-vec-unpack.c (internal compiler error)
FAIL: gcc.target/i386/avx512f-vec-unpack.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)

New passes: