Regressions on native/master at commit r16-2714 vs commit r16-2712 on Linux/x86_64

[Haochen Jiang via Gcc-regression]

Regressions on master at commit r16-2714 vs commit r16-2712 on Linux/x86_64
New failures:

New passes:
FAIL: gcc.target/i386/attributes-error.c  (test for errors, line 12)
FAIL: gcc.target/i386/attributes-error.c (test for excess errors)