[Bug tree-optimization/92608] [9 Regression] ICE: Segmentation fault (in find_loop_guard)

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92608

--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-9 branch has been updated by Richard Biener
<rgue...@gcc.gnu.org>:

https://gcc.gnu.org/g:5c82f97ad5b4021d64935ef5a489d410fe9eb202

commit r9-9478-g5c82f97ad5b4021d64935ef5a489d410fe9eb202
Author: Prathamesh Kulkarni <prathamesh.kulka...@linaro.org>
Date:   Thu Nov 21 20:20:36 2019 +0000

    Use safe_dyn_cast instead of dyn_cast in find_loop_guard to fix PR92608.

    2019-11-22  Prathamesh Kulkarni  <prathamesh.kulka...@linaro.org>

            PR tree-optimization/92608
            * tree-ssa-loop-unswitch.c (find_loop_guard): Use safe_dyn_cast
instead
            of dyn_cast.

    gcc/testsuite/
            * gcc.dg/torture/pr92608.c: New test.

    (cherry picked from commit b30e83f809b2aa65222eb969f8b4523e5e1961f2)