https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87610

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Oct 15 10:58:28 2018
New Revision: 265160

URL: https://gcc.gnu.org/viewcvs?rev=265160&root=gcc&view=rev
Log:
2018-10-15  Richard Biener  <rguent...@suse.de>

        PR middle-end/87610
        * tree-ssa-structalias.c (struct vls_data): Add escaped_p member.
        (visit_loadstore): When a used restrict tag escaped verify that
        the points-to solution of "other" pointers do not include
        escaped.
        (compute_dependence_clique): If a used restrict tag escaped
        communicated that down to visit_loadstore.

        * gcc.dg/torture/restrict-6.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/restrict-6.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-structalias.c

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