Correctly annotate eval origin.

test/mjsunit/eval-origin.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.
+
+Error.prepareStackTrace = function(exception, frames) {
+  return frames[0].getEvalOrigin();
+}
+
+var source = "new Error()";
+var eval_origin;
+var geval = eval;
+var log = [];
+
+(function() {
+  log.push([geval(source).stack, "15:13"]);
+  log.push([geval(source).stack, "16:13"]);
+  log.push([geval(source).stack, "17:13"]);
+})();
+
+(function() {
+  log.push([eval(source).stack, "21:13"]);
+  log.push([eval(source).stack, "22:13"]);
+  log.push([eval(source).stack, "23:13"]);
+})();
+
+log.push([eval(source).stack, "26:11"]);
+log.push([eval(source).stack, "27:11"]);
+log.push([eval(source).stack, "28:11"]);
+
+Error.prepareStackTrace = undefined;
+
+for (var item of log) {
+  var stacktraceline = item[0];
+  var expectation = item[1];
+  var re = new RegExp(`:${expectation}\\)$`);
+  assertTrue(re.test(stacktraceline));
+}