1 files changed, 17 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Float64Array.js b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Float64Array.js
new file mode 100644
index 0000000000..68b383d543
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/subclass-builtins/subclass-Float64Array.js
@@ -0,0 +1,17 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Float64Array.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubFloat64Array() instanceof Float64Array (Subclass instanceof Heritage)
+features: [TypedArray, Float64Array]
+flags: [generated]
+---*/
+
+
+class Subclass extends Float64Array {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Float64Array);
+
+reportCompare(0, 0);