Regressions on trunk at revision 264732 vs revision 264720

[H.J. Lu]

New failures:
FAIL: gcc.target/i386/pr63527.c scan-assembler-not movl[ \t]%[^,]+, %ebx
FAIL: gcc.target/i386/pr63534.c scan-assembler-not movl[ \t]%[^,]+, %ebx
FAIL: gcc.target/i386/pr64317.c scan-assembler addl[ \\t]+[$]_GLOBAL_OFFSET_TABLE_, %ebx
FAIL: gcc.target/i386/pr64317.c scan-assembler movl[ \\t]+c@GOTOFF[(]%ebx[)]

New passes:
FAIL: gcc.dg/tree-prof/val-prof-5.c scan-tree-dump-times optimized "count =" 1