1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/tests/non262/TypedArray/set-detached-bigint.js b/js/src/tests/non262/TypedArray/set-detached-bigint.js
new file mode 100644
index 0000000000..c54f4b867f
--- /dev/null
+++ b/js/src/tests/non262/TypedArray/set-detached-bigint.js
@@ -0,0 +1,19 @@
+let ta = new BigInt64Array(10);
+
+let obj = {
+  get length() {
+    detachArrayBuffer(ta.buffer);
+    return 1;
+  },
+  0: {
+    valueOf() {
+      return "huzzah!";
+    }
+  },
+};
+
+// Throws a SyntaxError, because "huzzah!" can't be parsed as a BigInt.
+assertThrowsInstanceOf(() => ta.set(obj), SyntaxError);
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);