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-rw-r--r--js/src/jit-test/tests/for-of/array-holes-5.js6
1 files changed, 6 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/for-of/array-holes-5.js b/js/src/jit-test/tests/for-of/array-holes-5.js
new file mode 100644
index 000000000..3f70ed123
--- /dev/null
+++ b/js/src/jit-test/tests/for-of/array-holes-5.js
@@ -0,0 +1,6 @@
+// for-of does not skip trailing holes; the value is undefined.
+
+var log = "";
+for (var x of [1, 2, 3,,])
+ log += x;
+assertEq(log, "123undefined");