Regressions on trunk at revision 237582 vs revision 237580

[Intel Automatic Testing System [ia32 Core AVX2]]

New failures:
FAIL: gcc.dg/gnu89-const-expr-1.c  (test for errors, line 26)
FAIL: gcc.dg/gnu90-const-expr-1.c  (test for errors, line 26)
FAIL: gcc.dg/gnu99-const-expr-1.c  (test for errors, line 26)
FAIL: gcc.dg/gnu99-static-1.c  (test for errors, line 14)

New passes: