Regressions on master at commit r16-4964 vs commit r16-4961 on Linux/x86_64

[Haochen Jiang via Gcc-regression]

Regressions on master at commit r16-4964 vs commit r16-4961 on Linux/x86_64
New failures:

New passes:
FAIL: objc/execute/exceptions/pr31281.m compilation,  -Os -fgnu-runtime