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Subject: [Bug analyzer/96841] [11 Regression] ICE: tree check: expected
 integer_cst, have nop_expr in to_wide, at tree.h:5904
Date: Sat, 26 Sep 2020 01:34:05 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96841

--- Comment #1 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by David Malcolm <dmalcolm@gcc.gnu.org>:

https://gcc.gnu.org/g:29f5db8ef81fac4db8e66e5f06fdf1d469e8161c

commit r11-3471-g29f5db8ef81fac4db8e66e5f06fdf1d469e8161c
Author: David Malcolm <dmalcolm@redhat.com>
Date:   Fri Sep 25 17:15:42 2020 -0400

    analyzer: fix ICEs treeifying offset_region [PR96646, PR96841]

    gcc/analyzer/ChangeLog:
            PR analyzer/96646
            PR analyzer/96841
            * region-model.cc (region_model::get_representative_path_var):
            When handling offset_region, wrap the MEM_REF's first argument =
in
            an ADDR_EXPR of pointer type, rather than simply using the tree
            for the parent region.  Require the MEM_REF's second argument to
            be an integer constant.

    gcc/testsuite/ChangeLog:
            PR analyzer/96646
            PR analyzer/96841
            * gcc.dg/analyzer/pr96646.c: New test.
            * gcc.dg/analyzer/pr96841.c: New test.=