Regressions on trunk at revision 240555 vs revision 240524

[H.J. Lu ia32 -fpic]

New failures:
FAIL: g++.dg/cilk-plus/CK/fib-opr-overload.cc  -g -fcilkplus execution test
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-1.c  (test for warnings, line 1223)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-1.c  (test for warnings, line 1273)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-1.c  (test for warnings, line 1384)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-1.c (nil) (test for warnings, line 96)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-1.c Glibc %p (test for warnings, line 108)

New passes:
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-1.c  (test for warnings, line 1222)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-1.c  (test for warnings, line 1272)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-1.c  (test for warnings, line 1383)