Add m-esr52 at 52.6.0

1 files changed, 19 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/debug/Environment-gc-01.js b/js/src/jit-test/tests/debug/Environment-gc-01.js
new file mode 100644
index 000000000..1fbd8b9ef
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Environment-gc-01.js
@@ -0,0 +1,19 @@
+// An Environment keeps its referent alive.
+
+var g = newGlobal();
+g.eval("function f(x) { return 2 * x; }");
+var dbg = Debugger(g);
+var env;
+dbg.onEnterFrame = function (frame) { env = frame.environment; };
+assertEq(g.f(22), 44);
+dbg.onEnterFrame = undefined;
+
+assertEq(env.find("x"), env);
+assertEq(env.names().join(","), "arguments,x");
+
+gc();
+g.gc(g);
+gc(env);
+
+assertEq(env.find("x"), env);
+assertEq(env.names().join(","), "arguments,x");