1 files changed, 16 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Frame-this-08.js b/js/src/jit-test/tests/debug/Frame-this-08.js
new file mode 100644
index 0000000000..4346115865
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Frame-this-08.js
@@ -0,0 +1,16 @@
+// Frame.this and evalInFrame in arrow function that uses 'this'.
+var g = newGlobal({newCompartment: true});
+g.eval("x = 4");
+g.eval("var foo = function() { 'use strict'; return () => this; }; var arrow = foo.call(3);");
+var dbg = new Debugger(g);
+var hits = 0;
+dbg.onEnterFrame = function (frame) {
+    if (frame.type === "eval")
+	return;
+    hits++;
+    assertEq(frame.type, "call");
+    assertEq(frame.this, 3);
+    assertEq(frame.eval("this + 1").return, 4);
+};
+g.eval("arrow();");
+assertEq(hits, 1);