Regressions on trunk at revision 242665 vs revision 242660

[H.J. Lu ia32 Core i7]

New failures:
FAIL: g++.dg/torture/pr53321.C   -O0  (test for excess errors)
FAIL: g++.dg/torture/pr53321.C   -O1  (test for excess errors)
FAIL: g++.dg/torture/pr53321.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
FAIL: g++.dg/torture/pr53321.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
FAIL: g++.dg/torture/pr53321.C   -O2  (test for excess errors)
FAIL: g++.dg/torture/pr53321.C   -O3 -g  (test for excess errors)
FAIL: g++.dg/torture/pr53321.C   -Os  (test for excess errors)
FAIL: g++.dg/torture/pr63512.C   -O0  (test for excess errors)
FAIL: g++.dg/torture/pr63512.C   -O1  (test for excess errors)
FAIL: g++.dg/torture/pr63512.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
FAIL: g++.dg/torture/pr63512.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
FAIL: g++.dg/torture/pr63512.C   -O2  (test for excess errors)
FAIL: g++.dg/torture/pr63512.C   -O3 -g  (test for excess errors)
FAIL: g++.dg/torture/pr63512.C   -Os  (test for excess errors)

New passes:
FAIL: gcc.dg/tree-ssa/builtin-sprintf-2.c (internal compiler error)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-2.c scan-tree-dump-times optimized ">:\n *__builtin_abort" 114
FAIL: gcc.dg/tree-ssa/builtin-sprintf-2.c (test for excess errors)
FAIL: gfortran.dg/vect/fast-math-mgrid-resid.f   -O   scan-tree-dump-times pcom "Executing predictive commoning without unrolling" 2