Regressions on trunk at revision 202747 vs revision 202742

[H.J. Lu ia32]

New failures:

New passes:
FAIL: gcc.target/i386/memset-1.c (internal compiler error)
FAIL: gcc.target/i386/memset-1.c (test for excess errors)
FAIL: gcc.target/i386/movsi-sm-1.c (internal compiler error)
FAIL: gcc.target/i386/movsi-sm-1.c (test for excess errors)
FAIL: gcc.target/i386/pr34077.c (internal compiler error)
FAIL: gcc.target/i386/pr34077.c (test for excess errors)
FAIL: gcc.target/i386/pr57459.c (internal compiler error)
FAIL: gcc.target/i386/pr57459.c (test for excess errors)
FAIL: gcc.target/i386/sw-1.c scan-rtl-dump pro_and_epilogue "Performing shrink-wrapping"