[turbofan] Fix the deopt ids in assignment.

BUG=chromium:463028
LOG=n
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/987733003

Cr-Commit-Position: refs/heads/master@{#27041}

src/compiler/ast-graph-builder.cc

@@ -1844,7 +1844,7 @@ void AstGraphBuilder::VisitAssignment(Assignment* expr) {
   switch (assign_type) {
     case VARIABLE: {
       Variable* variable = expr->target()->AsVariableProxy()->var();
-      BuildVariableAssignment(variable, value, expr->op(), expr->AssignmentId(),
+      BuildVariableAssignment(variable, value, expr->op(), expr->id(),
                               ast_context()->GetStateCombine());
       break;
     }
@@ -1854,8 +1854,7 @@ void AstGraphBuilder::VisitAssignment(Assignment* expr) {
           MakeUnique(property->key()->AsLiteral()->AsPropertyName());
       Node* store = NewNode(javascript()->StoreNamed(language_mode(), name),
                             object, value);
-      PrepareFrameState(store, expr->AssignmentId(),
-                        ast_context()->GetStateCombine());
+      PrepareFrameState(store, expr->id(), ast_context()->GetStateCombine());
       break;
     }
     case KEYED_PROPERTY: {
@@ -1863,8 +1862,7 @@ void AstGraphBuilder::VisitAssignment(Assignment* expr) {
       Node* object = environment()->Pop();
       Node* store = NewNode(javascript()->StoreProperty(language_mode()),
                             object, key, value);
-      PrepareFrameState(store, expr->AssignmentId(),
-                        ast_context()->GetStateCombine());
+      PrepareFrameState(store, expr->id(), ast_context()->GetStateCombine());
       break;
     }
   }

test/mjsunit/regress/regress-463028.js

+// Copyright 2015 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
+
+var o = {}
+Object.defineProperty(o, "z", {
+    set: function() {
+      %DeoptimizeFunction(f);
+    },
+});
+
+function f(o) {
+  return 19 + (void(o.z = 12));
+}
+
+f(o);