Regressions on master at commit r14-6902-g4a0a8dc1b88408 vs commit r14-6895-ga945c346f57ba4 on Linux/x86_64

[H.J. Lu]

Regressions on master at commit r14-6902-g4a0a8dc1b88408 vs commit r14-6895-ga945c346f57ba4 on Linux/x86_64
New failures:

New passes:
FAIL: gcc.dg/lto/save-temps c_lto_save-temps_0.o-c_lto_save-temps_0.o link,  -O -flto -save-temps
FAIL: gcc.dg/vect/vect-early-break-run_4.c -flto -ffat-lto-objects (test for excess errors)