1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/bug1331064.js b/js/src/jit-test/tests/debug/bug1331064.js
new file mode 100644
index 0000000000..4ade2305b1
--- /dev/null
+++ b/js/src/jit-test/tests/debug/bug1331064.js
@@ -0,0 +1,19 @@
+// |jit-test| test-also=--wasm-compiler=optimizing; exitstatus: 3; skip-if: !wasmDebuggingEnabled()
+
+load(libdir + "asserts.js");
+
+var g = newGlobal();
+g.parent = this;
+g.eval("new Debugger(parent).onExceptionUnwind = function () {  some_error; };");
+
+var module = new WebAssembly.Module(wasmTextToBinary(`
+(module
+    (import $imp "a" "b" (result i32))
+    (func $call (result i32) (call 0))
+    (export "call" $call)
+)`));
+
+var instance = new WebAssembly.Instance(module, { a: { b: () => {
+  some_other_error;
+}}});
+instance.exports.call();