1 files changed, 10 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Environment-03.js b/js/src/jit-test/tests/debug/Environment-03.js
new file mode 100644
index 000000000..857c20716
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Environment-03.js
@@ -0,0 +1,10 @@
+// Test that getting a function's environment can unlazify scripts.
+
+var g = newGlobal();
+g.eval('function f() { }');
+var dbg = new Debugger;
+var gw = dbg.makeGlobalObjectReference(g);
+var fw = gw.getOwnPropertyDescriptor('f').value;
+gc();
+dbg.addDebuggee(g);
+var fenv = fw.environment;