1 files changed, 11 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/auto-regress/bug781855.js b/js/src/jit-test/tests/auto-regress/bug781855.js
new file mode 100644
index 000000000..d061f8520
--- /dev/null
+++ b/js/src/jit-test/tests/auto-regress/bug781855.js
@@ -0,0 +1,11 @@
+// Binary: cache/js-dbg-32-b5ae446888f5-linux
+// Flags: -m -n -a
+//
+
+var Constr = function( ... property)  {};
+Constr.prototype = [];
+var c = new Constr();
+c.push(5);
+gc();
+function enterFunc() {}
+evaluate('enterFunc (c.length);');