Regressions on native/master at commit r16-293 vs commit r16-291 on Linux/x86_64

[Haochen Jiang via Gcc-regression]

Regressions on master at commit r16-293 vs commit r16-291 on Linux/x86_64
New failures:

New passes:
FAIL: std/format/debug.cc  -std=gnu++23 execution test
FAIL: std/format/debug.cc  -std=gnu++26 execution test