Regressions on trunk at revision 202533 vs revision 202531

[H.J. Lu ia32]

New failures:

New passes:
FAIL: g++.dg/torture/pr58380.C  -O0  (test for excess errors)
FAIL: g++.dg/torture/pr58380.C  -O1  (test for excess errors)
FAIL: g++.dg/torture/pr58380.C  -O2  (test for excess errors)
FAIL: g++.dg/torture/pr58380.C  -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
FAIL: g++.dg/torture/pr58380.C  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
FAIL: g++.dg/torture/pr58380.C  -O3 -fomit-frame-pointer  (test for excess errors)
FAIL: g++.dg/torture/pr58380.C  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (test for excess errors)
FAIL: g++.dg/torture/pr58380.C  -O3 -fomit-frame-pointer -funroll-loops  (test for excess errors)
FAIL: g++.dg/torture/pr58380.C  -O3 -g  (test for excess errors)
FAIL: g++.dg/torture/pr58380.C  -Os  (test for excess errors)