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-rw-r--r--js/src/jit-test/tests/basic/bug1445854.js5
1 files changed, 5 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/bug1445854.js b/js/src/jit-test/tests/basic/bug1445854.js
new file mode 100644
index 0000000000..76a6829cb2
--- /dev/null
+++ b/js/src/jit-test/tests/basic/bug1445854.js
@@ -0,0 +1,5 @@
+load(libdir + "asserts.js");
+if (typeof ReadableStream == "function") {
+ assertThrowsInstanceOf(() => ReadableStream.prototype.tee(),
+ TypeError);
+}