1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Frame-eval-stack.js b/js/src/jit-test/tests/debug/Frame-eval-stack.js
new file mode 100644
index 000000000..1199dfd72
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Frame-eval-stack.js
@@ -0,0 +1,19 @@
+var g = newGlobal();
+var dbg = new Debugger(g);
+
+g.eval("function h() { debugger; }");
+g.eval("function g() { h() }");
+g.eval("function f() { var blah = 333; g() }");
+
+dbg.onDebuggerStatement = function(frame) {
+    frame = frame.older;
+    g.trace = frame.older.eval("(new Error()).stack;").return;
+}
+g.f();
+
+assertEq(typeof g.trace, "string");
+
+var frames = g.trace.split("\n");
+assertEq(frames[0].includes("eval code"), true);
+assertEq(frames[1].startsWith("f@"), true);
+assertEq(frames[2].startsWith("@"), true);