Regressions on trunk at revision 240590 vs revision 240566

[Intel Automatic Testing System [ia32 Core AVX2]]

New failures:
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)

New passes:
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-1.c Glibc %p (test for warnings, line 108)
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  (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)