Regressions on master at commit r15-3536 vs commit r15-3532 on Linux/x86_64

[Haochen Jiang via Gcc-regression]

Regressions on master at commit r15-3536 vs commit r15-3532 on Linux/x86_64
New failures:

New passes:
FAIL: gcc.dg/pr116588.c (test for excess errors)