tree 56aec44ac1278a11bf851487f5e5c9d693c083c5
parent 66f5b4bfc5e3ba90724b6fe9ab855870a470a3c9
author David Neto <dneto@google.com> 1473865459 -0400
committer David Neto <dneto@google.com> 1473880528 -0400

Fix validator SSA check: Phi can use its own value sometimes

Defer removal of a Phi's result id from the undefined-forward-reference
set until after you've scanned the arguments.  The reordering is only
significant for Phi.

Fixes https://github.com/KhronosGroup/SPIRV-Tools/issues/415