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From: "msebor at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/93873] gcc or lto-wrapper does not consider
 individual bitfield values on static analysis and instead tests the whole
 value of all bitfield bits combined
Date: Sun, 14 Feb 2021 23:18:43 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D93873

Martin Sebor <msebor at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |FIXED
      Known to work|                            |10.2.0, 11.0
      Known to fail|                            |6.3.0, 7.5.0, 8.4.0, 9.3.0
                 CC|                            |msebor at gcc dot gnu.org
             Blocks|                            |99098

--- Comment #7 from Martin Sebor <msebor at gcc dot gnu.org> ---
I can reproduce the warning with versions up to 9, at -O2 (or -O3) and both
with  and without -flto.  GCC 10 doesn't issue it.  Bisection points to r27=
6416
as the fix.


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99098
[Bug 99098] invalid/missing -Wfree-nonheap-object warnings=