A couple of other "stack overflow" vs. "has_pending_exception()" issues fixed.

test/mjsunit/regress/regress-crbug-471659.js

Index: test/mjsunit/regress/regress-crbug-471659.js
diff --git a/test/mjsunit/regress/regress-crbug-491062.js b/test/mjsunit/regress/regress-crbug-471659.js
similarity index 58%
copy from test/mjsunit/regress/regress-crbug-491062.js
copy to test/mjsunit/regress/regress-crbug-471659.js
index e16f85b1eb87ac991fdcb65c7cc7527de807608a..fa27baa3e817fdb23421c5f3fede9cd6a80ea7d2 100644
--- a/test/mjsunit/regress/regress-crbug-491062.js
+++ b/test/mjsunit/regress/regress-crbug-471659.js
@@ -2,21 +2,21 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --allow-natives-syntax --stack-limit=32
+// Flags: --stack-size=100
 
-function g() {}
+var s = "0123456789ABCDEF";
+for (var i = 0; i < 16; i++) s += s;
 
 var count = 0;
 function f() {
   try {
     f();
+    if (count < 10) {
+      f();
+    }
   } catch(e) {
-    print(e.stack);
-  }
-  if (count < 50) {
-    count++;
-    %DebugGetLoadedScripts();
+      s.replace("+", "-");
   }
+  count++;
 }
 f();
-g();