Regressions on master at commit r16-5879 vs commit r16-5878 on Linux/x86_64

[Haochen Jiang via Gcc-regression]

Regressions on master at commit r16-5879 vs commit r16-5878 on Linux/x86_64
New failures:
FAIL: gcc.dg/asm-hard-reg-9.c (test for excess errors)

New passes: