Regressions on master at commit r15-2276 vs commit r15-2274 on Linux/x86_64

[Haochen Jiang]

Regressions on master at commit r15-2276 vs commit r15-2274 on Linux/x86_64
New failures:
FAIL: gcc.dg/torture/pr116037.c   -O0  (test for excess errors)
FAIL: gcc.dg/torture/pr116037.c   -O1  (test for excess errors)
FAIL: gcc.dg/torture/pr116037.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
FAIL: gcc.dg/torture/pr116037.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
FAIL: gcc.dg/torture/pr116037.c   -O2  (test for excess errors)
FAIL: gcc.dg/torture/pr116037.c   -O3 -g  (test for excess errors)
FAIL: gcc.dg/torture/pr116037.c   -Os  (test for excess errors)

New passes: