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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/96722] [8/9/10/11 Regression] Clobbers on
 NULL since r8-1519
Date: Mon, 24 Aug 2020 11:30:03 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96722

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 49111
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D49111&action=3Dedit
gcc11-pr96722.patch

If *0 =3D{v} {CLOBBER}; is supposed to be a fancy nop, then we should ignor=
e it
during path isolation (shouldn't infer UB from clobber stmts).=