Regressions on trunk at revision 193661 vs revision 193552

[H.J. Lu Intel64 LTO/FDO]

New failures:
FAIL: gfortran.dg/reassoc_4.f  -O   scan-tree-dump-times reassoc1 "[0-9] \\* " 22
FAIL: gfortran.dg/reassoc_4.f  -O   scan-tree-dump-times reassoc1 "[0-9] \\* " 22

New passes:
FAIL: g++.dg/tm/pr51516.C -std=gnu++11  scan-tree-dump-times optimized ";; Function C::C" 1
FAIL: g++.dg/tm/pr51516.C -std=gnu++11  scan-tree-dump-times optimized ";; Function C::C" 1
FAIL: g++.dg/tm/pr51516.C -std=gnu++98  scan-tree-dump-times optimized ";; Function C::C" 1
FAIL: g++.dg/tm/pr51516.C -std=gnu++98  scan-tree-dump-times optimized ";; Function C::C" 1