Regressions on trunk at revision 181241 vs revision 181234

[H.J. Lu ia32]

New failures:
FAIL: gcc.dg/tree-ssa/stdarg-2.c scan-tree-dump stdarg "f11: va_list escapes 0, needs to save (3|12|24) GPR units"
FAIL: gcc.dg/tree-ssa/stdarg-2.c scan-tree-dump stdarg "f12: va_list escapes 0, needs to save [1-9][0-9]* GPR units"
FAIL: gcc.dg/tree-ssa/stdarg-2.c scan-tree-dump stdarg "f13: va_list escapes 0, needs to save [1-9][0-9]* GPR units"
FAIL: gcc.dg/tree-ssa/stdarg-2.c scan-tree-dump stdarg "f14: va_list escapes 0, needs to save [1-9][0-9]* GPR units"
FAIL: gcc.dg/tree-ssa/stdarg-2.c scan-tree-dump stdarg "f1: va_list escapes 0, needs to save 0 GPR units"
FAIL: gcc.dg/tree-ssa/stdarg-2.c scan-tree-dump stdarg "f2: va_list escapes 0, needs to save [148] GPR units"
FAIL: gcc.dg/tree-ssa/stdarg-2.c scan-tree-dump stdarg "f3: va_list escapes 0, needs to save [1-9][0-9]* GPR units"
FAIL: gcc.dg/tree-ssa/stdarg-2.c scan-tree-dump stdarg "f6: va_list escapes 0, needs to save (3|12|24) GPR units"
FAIL: gcc.dg/tree-ssa/stdarg-4.c scan-tree-dump stdarg "f3: va_list escapes 0, needs to save [148] GPR units"
FAIL: gcc.dg/tree-ssa/stdarg-4.c scan-tree-dump stdarg "f4: va_list escapes 0, needs to save [148] GPR units"
FAIL: gcc.dg/tree-ssa/vrp47.c scan-tree-dump-times dom1 "x[^ ]* & y" 1
FAIL: gcc.target/i386/avx-vzeroupper-14.c scan-assembler-times avx_vzeroupper 1

New passes:
ERROR: (DejaGnu) proc "248" does not exist.