[turbofan] Fix representation change from bit to tagged pointer.

BUG=chromium:673244

Review-Url: https://codereview.chromium.org/2568053002
Cr-Commit-Position: refs/heads/master@{#41634}

src/compiler/representation-change.cc

@@ -307,7 +307,12 @@ Node* RepresentationChanger::GetTaggedPointerRepresentationFor(
     // We just provide a dummy value here.
     return jsgraph()->TheHoleConstant();
   } else if (output_rep == MachineRepresentation::kBit) {
-    return node;
+    if (output_type->Is(Type::Boolean())) {
+      op = simplified()->ChangeBitToTagged();
+    } else {
+      return TypeError(node, output_rep, output_type,
+                       MachineRepresentation::kTagged);
+    }
   } else if (IsWord(output_rep)) {
     if (output_type->Is(Type::Unsigned32())) {
       // uint32 -> float64 -> tagged

test/mjsunit/compiler/regress-673244.js

+// Copyright 2016 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --allow-natives-syntax
+
+function f() {
+  var accumulator = false;
+  for (var i = 0; i < 4; i++) {
+    accumulator = accumulator.hasOwnProperty(3);
+    if (i === 1) %OptimizeOsr();
+  }
+}
+
+f();