Regressions on trunk at revision 230203 vs revision 230158

[H.J. Lu ia32 Core i7]

New failures:
FAIL: gcc.dg/graphite/fuse-1.c scan-tree-dump-times graphite "ISL AST generated by ISL:.*for \\(int c0 = 0; c0 <= 99; c0 \\+= 1\\) {.*S_.*\\(c0\\);.*S_.*\\(c0\\);.*S_.*\\(c0\\);.*}" 1
FAIL: gcc.dg/graphite/fuse-2.c scan-tree-dump-times graphite "ISL AST generated by ISL:.*for \\(int c0 = 0; c0 <= 99; c0 \\+= 1\\) {.*S_.*\\(c0\\);.*S_.*\\(c0\\);.*S_.*\\(c0\\);.*}" 1
FAIL: gcc.dg/graphite/interchange-11.c (internal compiler error)
FAIL: gcc.dg/graphite/interchange-11.c (test for excess errors)
FAIL: gcc.dg/graphite/interchange-13.c (internal compiler error)
FAIL: gcc.dg/graphite/interchange-13.c (test for excess errors)
FAIL: gcc.dg/graphite/interchange-1.c (internal compiler error)
FAIL: gcc.dg/graphite/interchange-1.c (test for excess errors)
FAIL: g++.dg/cpp0x/Wattributes1.C  -std=c++11  (test for warnings, line 111)
FAIL: g++.dg/cpp0x/Wattributes1.C  -std=c++14  (test for warnings, line 111)

New passes: