Regressions on trunk at revision 232797 vs revision 232787

[Bill Seurer]

New failures:
FAIL: c-c++-common/pr43690.c  -std=gnu++98  (test for errors, line 9)
FAIL: c-c++-common/pr43690.c  -std=gnu++98 (test for excess errors)
FAIL: runtime/pprof

New passes:
FAIL: 20_util/shared_ptr/thread/default_weaktoshared.cc execution test
FAIL: gcc.target/powerpc/vsx-vector-2.c scan-assembler xvsqrtsp
FAIL: g++.dg/tree-ssa/pr69336.C   scan-tree-dump-not optimized "cmap"