Regressions on native/master at commit r15-4992 vs commit r15-4989 on Linux/x86_64

[Haochen Jiang via Gcc-regression]

Regressions on master at commit r15-4992 vs commit r15-4989 on Linux/x86_64
New failures:

New passes:
FAIL: gcc.target/i386/avx10_2-comibf-2.c (test for excess errors)
FAIL: gcc.target/i386/avx10_2-comibf-2.c (test for excess errors)