[regexp] catch stack overflow when parsing back references.

test/mjsunit/regress/regress-crbug-595657.js

Index: test/mjsunit/regress/regress-crbug-595657.js
diff --git a/test/mjsunit/call-intrinsic-type-error.js b/test/mjsunit/regress/regress-crbug-595657.js
similarity index 59%
copy from test/mjsunit/call-intrinsic-type-error.js
copy to test/mjsunit/regress/regress-crbug-595657.js
index 9d586977d924829f664a34c915440b5c8498dd63..653259781be24ec1acf1d5e2aa4f4de2f361d3ec 100644
--- a/test/mjsunit/call-intrinsic-type-error.js
+++ b/test/mjsunit/regress/regress-crbug-595657.js
@@ -2,10 +2,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --allow-natives-syntax
+// Flags: --stack-size=100
 
-try {
-  %Call(1, 0);
-} catch (e) {
-  assertTrue(e instanceof TypeError);
+function test() {
+  try {
+    test();
+  } catch(e) {
+    /(\2)(a)/.test("");
+  }
 }
+
+test();