[r11-2623 Regression] FAIL: gcc.target/i386/vectorize8.c (test for excess errors) on Linux/x86_64 (-m64 -march=cascadelake)

[sunil.k.pandey]

On Linux/x86_64,

99e4891ed552aca4ca147671701edd0b31015f66 is the first bad commit
commit 99e4891ed552aca4ca147671701edd0b31015f66
Author: liuhongt <hongtao.liu@intel.com>
Date:   Mon Jul 20 10:13:58 2020 +0800

    Using UNSPEC for vector compare to mask register.

caused

FAIL: gcc.target/i386/vectorize8.c (internal compiler error)
FAIL: gcc.target/i386/vectorize8.c (test for excess errors)

with GCC configured with

../../gcc/configure --prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r11-2623/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="i386.exp=gcc.target/i386/vectorize8.c --target_board='unix{-m64\ -march=cascadelake}'"

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