1 files changed, 10 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/modules/bug-1439416.js b/js/src/jit-test/tests/modules/bug-1439416.js
new file mode 100644
index 0000000000..9dfe55b49a
--- /dev/null
+++ b/js/src/jit-test/tests/modules/bug-1439416.js
@@ -0,0 +1,10 @@
+// Test that zero-based line numbers supplied by Reflect.parse don't cause
+// assertions.
+
+function parseAsModule(source) {
+    return Reflect.parse(source, {
+        target: "module",
+        line: 0
+    });
+}
+parseAsModule("import d from 'a'");