Regressions on master at commit r17-3885 vs commit r17-3878 on Linux/x86_64

[Haochen Jiang]

Regressions on master at commit r17-3885 vs commit r17-3878 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.target/i386/pr113609-1.c scan-assembler-times [ \\t]+je 1
FAIL: gcc.target/i386/pr113609-1.c scan-assembler-times [ \\t]+jne 1
FAIL: gcc.target/i386/pr113609-2.c scan-assembler-times [ \\t]+jne 4
FAIL: gcc.target/i386/pr113609-2.c scan-assembler-times [ \\t]+sete 8