Regressions on trunk at revision 241492 vs revision 241473

[H.J. Lu ia32 -fpic]

New failures:

New passes:
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-1.c  (test for warnings, line 1229)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-1.c  (test for warnings, line 1279)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-1.c  (test for warnings, line 1390)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-1.c (test for excess errors)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-3.c  (test for warnings, line 167)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-3.c  (test for warnings, line 169)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-3.c  (test for warnings, line 170)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-3.c  (test for warnings, line 173)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-3.c  (test for warnings, line 175)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-3.c  (test for warnings, line 202)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-3.c  (test for warnings, line 204)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-3.c  (test for warnings, line 219)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-3.c  (test for warnings, line 220)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-3.c  (test for warnings, line 224)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-3.c  (test for warnings, line 225)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-3.c  (test for warnings, line 228)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-3.c  (test for warnings, line 233)