Regressions on trunk at revision 192976 vs revision 192933

[H.J. Lu ia32]

New failures:
FAIL: g++.dg/tree-ssa/pr45453.C -std=gnu++11 (test for excess errors)
FAIL: g++.dg/tree-ssa/pr45453.C -std=gnu++98 (test for excess errors)
FAIL: gcc.dg/guality/pr43051-1.c  -O3 -fomit-frame-pointer  line 34 c == &a[0]
FAIL: gcc.dg/guality/pr43051-1.c  -O3 -fomit-frame-pointer  line 39 c == &a[0]
FAIL: gcc.dg/guality/pr43051-1.c  -O3 -g  line 34 c == &a[0]
FAIL: gcc.dg/guality/pr43051-1.c  -O3 -g  line 39 c == &a[0]
FAIL: gcc.dg/pr44974.c scan-assembler call[^\n]*_Exit

New passes: