Use baseline code to compute message locations.

test/message/regress/regress-4266.js

Index: test/message/regress/regress-4266.js
diff --git a/test/message/regress/regress-3995.js b/test/message/regress/regress-4266.js
similarity index 77%
copy from test/message/regress/regress-3995.js
copy to test/message/regress/regress-4266.js
index ba84bc096527cc242b9ad43983b42eec0462c43c..552176bccf54e01f6c589ec420a06a0c4ba9e6c9 100644
--- a/test/message/regress/regress-3995.js
+++ b/test/message/regress/regress-4266.js
@@ -3,5 +3,9 @@
 // found in the LICENSE file.
 
 (function() {
-  throw new Error("boom");
+  try {
+    [].foo();
+  } catch (e) {
+    throw e;
+  }
 })();