[turbofan] Run value numbering as part of typed lowering.

src/compiler/pipeline.cc

Index: src/compiler/pipeline.cc
diff --git a/src/compiler/pipeline.cc b/src/compiler/pipeline.cc
index 73d484ba197d78b1507d65e7109226b0420f3d0d..ec57f4a52651dc90a86c71c625471665c1700d12 100644
--- a/src/compiler/pipeline.cc
+++ b/src/compiler/pipeline.cc
@@ -900,6 +900,7 @@ struct TypedLoweringPhase {
         data->info()->is_deoptimization_enabled()
             ? JSIntrinsicLowering::kDeoptimizationEnabled
             : JSIntrinsicLowering::kDeoptimizationDisabled);
+    ValueNumberingReducer value_numbering(temp_zone);
     SimplifiedOperatorReducer simple_reducer(&graph_reducer, data->jsgraph());
     CheckpointElimination checkpoint_elimination(&graph_reducer);
     CommonOperatorReducer common_reducer(&graph_reducer, data->graph(),
@@ -912,6 +913,7 @@ struct TypedLoweringPhase {
     AddReducer(data, &graph_reducer, &typed_lowering);
     AddReducer(data, &graph_reducer, &intrinsic_lowering);
     AddReducer(data, &graph_reducer, &load_elimination);
+    AddReducer(data, &graph_reducer, &value_numbering);
     AddReducer(data, &graph_reducer, &simple_reducer);
     AddReducer(data, &graph_reducer, &checkpoint_elimination);
     AddReducer(data, &graph_reducer, &common_reducer);