Regressions on master at commit r17-3008 vs commit r17-3005 on Linux/x86_64

[Haochen Jiang via Gcc-regression]

Regressions on master at commit r17-3008 vs commit r17-3005 on Linux/x86_64
New failures:

New passes:
FAIL: gcc.target/i386/builtin_target.c (test for excess errors)
FAIL: gcc.target/i386/builtin_target.c (test for excess errors)