Merge remote-tracking branch 'upstream/master'

1 files changed, 5 insertions, 0 deletions

diff --git a/decoder/lextrans.cc b/decoder/lextrans.cc
index 8c3269bf..74a18c3f 100644
--- a/decoder/lextrans.cc
+++ b/decoder/lextrans.cc
@@ -280,6 +280,11 @@ bool LexicalTrans::TranslateImpl(const string& input,
   smeta->SetSourceLength(lattice.size());
   if (!pimpl_->BuildTrellis(lattice, *smeta, forest)) return false;
   forest->Reweight(weights);
+  // since we don't do any pruning, the node_hash will be the same for
+  // every run of the composer
+  int nc = 0;
+  for (auto& node : forest->nodes_)
+    node.node_hash = ++nc;
   return true;
 }