Regressions on releases/gcc-12 at commit r12-10032 vs commit r12-10023 on Linux/i686

[H.J. Lu]

New failures:

New passes:
FAIL: g++.dg/debug/debug4.C -gstabs1 (test for excess errors)
FAIL: g++.dg/debug/debug4.C -gstabs3 (test for excess errors)
FAIL: g++.dg/debug/debug4.C -gstabs (test for excess errors)
FAIL: g++.dg/debug/pr27657.C -gstabs1 (test for excess errors)
FAIL: g++.dg/debug/pr27657.C -gstabs3 (test for excess errors)
FAIL: g++.dg/debug/pr27657.C -gstabs (test for excess errors)