[r11-3434 Regression] FAIL: gcc.dg/ipa/ipa-pta-13.c scan-tree-dump fre3 " = x;" on Linux/x86_64 (-m64 -march=cascadelake)

[sunil.k.pandey]

On Linux/x86_64,

c33f474239308d81bf96cfdb2520d25488ad8724 is the first bad commit
commit c33f474239308d81bf96cfdb2520d25488ad8724
Author: Jan Hubicka <jh@suse.cz>
Date:   Thu Sep 24 15:09:17 2020 +0200

    Add access through parameter derference tracking to modref

caused

FAIL: gcc.dg/ipa/ipa-pta-13.c scan-tree-dump fre3 " = x;"

with GCC configured with

../../gcc/configure --prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r11-3434/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="ipa.exp=gcc.dg/ipa/ipa-pta-13.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)