1 files changed, 15 insertions, 0 deletions
diff --git a/js/src/tests/non262/template-strings/bug1559123.js b/js/src/tests/non262/template-strings/bug1559123.js
new file mode 100644
index 0000000000..a739dd7dee
--- /dev/null
+++ b/js/src/tests/non262/template-strings/bug1559123.js
@@ -0,0 +1,15 @@
+// |reftest| skip-if(!xulRuntime.shell)
+
+const getStrings = (strings, ...values) => strings;
+const getRef = () => getStrings`test`;
+let c = getRef();
+relazifyFunctions(getRef);
+assertEq(getRef(), c);
+// Note the failure case here looks like this:
+// Assertion failed: got ["test"], expected ["test"]
+// If you're reading this test and going "wtf", it's because this is testing
+// reference identity of the array object - they're actually different arrays,
+// but have the same contents.
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);