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From: "mark at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug analyzer/95188] analyzer-unsafe-call-within-signal-handler
 shows wrong statement for signal registration event
Date: Wed, 07 Oct 2020 20:05:01 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D95188

--- Comment #12 from Mark Wielaard <mark at gcc dot gnu.org> ---
(In reply to David Malcolm from comment #11)
> (In reply to Mark Wielaard from comment #10)
> > Created attachment 49293 [details]
> > supergraph
>=20
> Thanks.  Compared to my testing, I'm seeing what appear to be differences=
 in
> the inputs to the analyzer at the gimple level, which are likely due to
> differences in the rest of the compiler.
>=20
> Is this with the same version of gcc as in comment #4, where you said "gcc
> (GCC) 11.0.0 20200916 (experimental)".
>=20
> You don't happen to know exactly which revision, do you?

I am afraid I don't know exactly. I have been experimenting with having DWA=
RF 5
as default in my builds, which is another difference.

> [The md5sum of the bzip2.c I'm using is 23f66348f80345353d5b5b98e299ff15.=
=20
> There could also be differences in the system headers, I suppose]

The MD5 matches. But I am indeed using system headers from RHEL7 with DTS9
installed to bootstrap my GCC builds.=