Regressions on trunk at revision 214265 vs revision 214253

[H.J. Lu Intel64 Core i7]

New failures:

New passes:
FAIL: gcc.dg/ipa/ctor-empty-1.c scan-ipa-dump cgraph "Reclaiming functions: empty_constructor"
FAIL: gcc.dg/ipa/ctor-empty-1.c scan-ipa-dump cgraph "Reclaiming functions: empty_constructor"
FAIL: gcc.misc-tests/gcov-14.c gcov: 1 failures in line counts, 0 in branch percentages, 0 in return percentages, 0 in intermediate format
FAIL: gcc.misc-tests/gcov-14.c gcov: 1 failures in line counts, 0 in branch percentages, 0 in return percentages, 0 in intermediate format
FAIL: gcc.misc-tests/gcov-14.c line 15: is #####:should be -
FAIL: gcc.misc-tests/gcov-14.c line 15: is #####:should be -