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-rw-r--r--js/src/jit-test/tests/ion/hole.js11
1 files changed, 11 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/hole.js b/js/src/jit-test/tests/ion/hole.js
new file mode 100644
index 000000000..c990704cd
--- /dev/null
+++ b/js/src/jit-test/tests/ion/hole.js
@@ -0,0 +1,11 @@
+function f() {
+ var a;
+ for (var i=0; i<50; i++) {
+ a = [i, , [,, i*3], ];
+ }
+ return a;
+}
+Array.prototype[1] = 123;
+var arr = f();
+assertEq(arr.length, 3);
+assertEq(arr.toString(), "49,123,,123,147");