diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/jaeger/bug684084.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/jaeger/bug684084.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,7 @@
+// |jit-test| error: TypeError
+function Integer( value, exception ) {
+  try {  } catch ( e ) {  }
+  new (value = this)( this.value );
+  if ( Math.floor(value) != value || isNaN(value) ) {  }
+}
+new Integer( 3, false );