[r11-3303 Regression] FAIL: gcc.dg/atomic/pr65345-4.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects (test for excess errors) on Linux/x86_64 (-m64)

[sunil.k.pandey]

On Linux/x86_64,

6450f07388f9fe575a489c9309c36012b17b88b0 is the first bad commit
commit 6450f07388f9fe575a489c9309c36012b17b88b0
Author: Martin Sebor <msebor@redhat.com>
Date:   Sat Sep 19 17:21:52 2020 -0600

    Infrastructure & C front end changes for array parameter checking (PR c/50584).

caused

FAIL: gcc.dg/atomic/pr65345-4.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
FAIL: gcc.dg/atomic/pr65345-4.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
FAIL: gcc.dg/atomic/pr65345-4.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
FAIL: gcc.dg/atomic/pr65345-4.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)

with GCC configured with

../../gcc/configure --prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r11-3303/usr --enable-clocale=gnu --with-system-zlib --with-demangler-in-ld --with-fpmath=sse --enable-languages=c,c++,fortran --enable-cet --without-isl --enable-libmpx x86_64-linux --disable-bootstrap

To reproduce:

$ cd {build_dir}/gcc && make check RUNTESTFLAGS="atomic.exp=gcc.dg/atomic/pr65345-4.c --target_board='unix{-m64}'"

(Please do not reply to this email, for question about this report, contact me at skpgkp2 at gmail dot com)