Regressions on native/master at commit r15-4263 vs commit r15-4262 on Linux/x86_64

[Haochen Jiang via Gcc-regression]

Regressions on master at commit r15-4263 vs commit r15-4262 on Linux/x86_64
New failures:

New passes:
FAIL: gcc.target/i386/pr88531-2b.c scan-assembler-times vmulps 1
FAIL: gcc.target/i386/pr88531-2c.c scan-assembler-times vmulps 1