1 files changed, 16 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Environment-module-tla-env.js b/js/src/jit-test/tests/debug/Environment-module-tla-env.js
new file mode 100644
index 0000000000..f75829d446
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Environment-module-tla-env.js
@@ -0,0 +1,16 @@
+// Taking frame snapshot after await should not crash.
+
+var g = newGlobal({newCompartment: true});
+var dbg = Debugger(g);
+dbg.onDebuggerStatement = function (frame) {
+  // Create DebugEnvironmentProxy.
+  frame.environment;
+};
+const m = g.parseModule(`
+  var x = 0;
+  debugger;
+  await 10;
+  debugger;
+`);
+moduleLink(m);
+moduleEvaluate(m);