[Bug analyzer/96792] Analyzer assumes pointer is NULL, even though pointer was dereferenced earlier

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96792

--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by David Malcolm <dmalc...@gcc.gnu.org>:

https://gcc.gnu.org/g:49bfbf18c0bb9d83934f0ce765dc031ebfbda38e

commit r11-2968-g49bfbf18c0bb9d83934f0ce765dc031ebfbda38e
Author: David Malcolm <dmalc...@redhat.com>
Date:   Thu Aug 27 07:42:27 2020 -0400

    analyzer: fix false NULL deref warning after previous deref [PR96792]

    gcc/analyzer/ChangeLog:
            PR analyzer/96792
            * region-model.cc (region_model::deref_rvalue): Add the constraint
            that PTR_SVAL is non-NULL.

    gcc/testsuite/ChangeLog:
            PR analyzer/96792
            * gcc.dg/analyzer/pr96792.c: New test.