Fix assertion in RegExp parser to correctly expect stack overflow.

test/mjsunit/regress/regress-350865.js

Index: test/mjsunit/regress/regress-350865.js
diff --git a/test/mjsunit/regress/regress-347906.js b/test/mjsunit/regress/regress-350865.js
similarity index 54%
copy from test/mjsunit/regress/regress-347906.js
copy to test/mjsunit/regress/regress-350865.js
index c751618928c93015679087ee1b500637657aa341..74234db8842929a57d93a10cda0f62078f014845 100644
--- a/test/mjsunit/regress/regress-347906.js
+++ b/test/mjsunit/regress/regress-350865.js
@@ -2,13 +2,16 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --allow-natives-syntax --harmony
+// Flags: --stress-compaction --stack-size=150
 
-function foo() {
-  return Math.clz32(12.34);
+/\2/.test("1");
+
+function rec() {
+  try {
+    rec();
+  } catch(e) {
+    /\2/.test("1");
+  }
 }
 
-foo();
-foo();
-%OptimizeFunctionOnNextCall(foo);
-foo();
+rec();