Regressions on trunk at revision 269492 vs revision 269477

[H.J. Lu (ia32 Core i7)]

New failures:
FAIL: gcc.target/i386/indirect-thunk-extern-7.c scan-assembler jmp[ \t]*__x86_indirect_thunk(_nt|)_(r|e)ax
FAIL: gcc.target/i386/indirect-thunk-extern-7.c scan-assembler mov(?:l|q)[ \t]*.L[0-9]+\\(,%

New passes: