[Bug c++/78051] error: dead STMT in EH table when using -O2

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78051

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri Oct 21 07:07:06 2016
New Revision: 241394

URL: https://gcc.gnu.org/viewcvs?rev=241394&root=gcc&view=rev
Log:
2016-10-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/78051
        * tree-vrp.c (evrp_dom_walker::before_dom_children): Update stmt
        and mark replaced if folding did something.

        * g++.dg/torture/pr78051.C: New testcase.

Added:
    trunk/gcc/testsuite/g++.dg/torture/pr78051.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vrp.c