[Bug tree-optimization/79244] [7 Regression] ice in replace_uses_by, at tree-cfg.c:1866

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79244

--- Comment #10 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri Jan 27 12:24:54 2017
New Revision: 244973

URL: https://gcc.gnu.org/viewcvs?rev=244973&root=gcc&view=rev
Log:
2017-01-27  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79244
        * tree-vrp.c (remove_range_assertions): Forcefully propagate
        out SSA names even if abnormal.

        * gcc.dg/torture/pr79244.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr79244.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vrp.c