Regressions on native/master at commit r16-2026 vs commit r16-2019 on Linux/x86_64

[Haochen Jiang via Gcc-regression]

Regressions on master at commit r16-2026 vs commit r16-2019 on Linux/x86_64
New failures:

New passes:
FAIL: gcc.dg/tree-ssa/loop-ch-profile-1.c (test for excess errors)