[turbofan] Fix deopt point for [[ToName]] lazy bailout.

test/mjsunit/regress/regress-crbug-627828.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 TestDeoptFromCopmputedNameInObjectLiteral() {
+  function f() {
+    var o = {
+      toString: function() {
+        %DeoptimizeFunction(f);
+        return "x";
+      }
+    };
+    return { [o]() { return 23 } };
+  }
+  assertEquals(23, f().x());
+  assertEquals(23, f().x());
+  %OptimizeFunctionOnNextCall(f);
+  assertEquals(23, f().x());
+})();
+
+(function TestDeoptFromCopmputedNameInClassLiteral() {
+  function g() {
+    var o = {
+      toString: function() {
+        %DeoptimizeFunction(g);
+        return "y";
+      }
+    };
+    class C {
+      [o]() { return 42 };
+    }
+    return new C();
+  }
+  assertEquals(42, g().y());
+  assertEquals(42, g().y());
+  %OptimizeFunctionOnNextCall(g);
+  assertEquals(42, g().y());
+})();