Regressions on master at commit r11-1078 vs commit r11-1029 on Linux/x86_64

[H.J. Lu]

New failures:

New passes:
FAIL: g++.dg/torture/pr95548.C   -O0  (test for excess errors)
FAIL: g++.dg/torture/pr95548.C   -O0  (test for excess errors)
FAIL: g++.dg/torture/pr95548.C   -O0  (test for excess errors)
FAIL: g++.dg/torture/pr95548.C   -O1  (test for excess errors)
FAIL: g++.dg/torture/pr95548.C   -O1  (test for excess errors)
FAIL: g++.dg/torture/pr95548.C   -O1  (test for excess errors)
FAIL: g++.dg/torture/pr95548.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
FAIL: g++.dg/torture/pr95548.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
FAIL: g++.dg/torture/pr95548.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
FAIL: g++.dg/torture/pr95548.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
FAIL: g++.dg/torture/pr95548.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
FAIL: g++.dg/torture/pr95548.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
FAIL: g++.dg/torture/pr95548.C   -O2  (test for excess errors)
FAIL: g++.dg/torture/pr95548.C   -O2  (test for excess errors)
FAIL: g++.dg/torture/pr95548.C   -O2  (test for excess errors)
FAIL: g++.dg/torture/pr95548.C   -O3 -g  (test for excess errors)
FAIL: g++.dg/torture/pr95548.C   -O3 -g  (test for excess errors)
FAIL: g++.dg/torture/pr95548.C   -O3 -g  (test for excess errors)
FAIL: g++.dg/torture/pr95548.C   -Os  (test for excess errors)
FAIL: g++.dg/torture/pr95548.C   -Os  (test for excess errors)
FAIL: g++.dg/torture/pr95548.C   -Os  (test for excess errors)