Regressions on master at commit r16-5433 vs commit r16-5432 on Linux/x86_64

[Haochen Jiang via Gcc-regression]

Regressions on master at commit r16-5433 vs commit r16-5432 on Linux/x86_64
New failures:

New passes:
FAIL: objc/execute/class-1.m compilation,  -O1 -fgnu-runtime