1 files changed, 7 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Environment-Function-prototype.js b/js/src/jit-test/tests/debug/Environment-Function-prototype.js
new file mode 100644
index 0000000000..97e54f62fc
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Environment-Function-prototype.js
@@ -0,0 +1,7 @@
+// Don't crash when getting the Debugger.Environment of a frame inside
+// Function.prototype.
+
+var g = newGlobal({newCompartment: true});
+var dbg = new Debugger(g);
+dbg.onEnterFrame = function (frame) { frame.environment; };
+g.Function.prototype();