[Bug middle-end/96984] bogus -Warray-bounds with -fsanitize due to FRE substituting subobjects at the same address

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96984

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2020-09-08
             Status|UNCONFIRMED                 |NEW
           Keywords|                            |diagnostic
             Blocks|                            |56456
     Ever confirmed|0                           |1
                URL|                            |https://bugzilla.redhat.com
                   |                            |/show_bug.cgi?id=1876801

--- Comment #1 from Martin Sebor <msebor at gcc dot gnu.org> ---
The second argument being passed to memcpy is _13 = &_1->params.spki.pk, while
in the source (and without -fsanitize=undefined) it's actually the enclosing
subobject, _1->params.spki.


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56456
[Bug 56456] [meta-bug] bogus/missing -Warray-bounds