[Bug tree-optimization/81489] invalid phi argument used in find_implicit_erroneous_behavior

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81489

--- Comment #4 from Tom de Vries <vries at gcc dot gnu.org> ---
Author: vries
Date: Thu Jul 20 07:16:01 2017
New Revision: 250378

URL: https://gcc.gnu.org/viewcvs?rev=250378&root=gcc&view=rev
Log:
Fix phi arg location in find_implicit_erroneous_behavior

2017-07-20  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/81489
        * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Move
        read of phi arg location to before loop that modifies phi.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-ssa-isolate-paths.c