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-rw-r--r--js/src/jit-test/tests/ion/bug849781-2.js9
1 files changed, 9 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug849781-2.js b/js/src/jit-test/tests/ion/bug849781-2.js
new file mode 100644
index 000000000..031ded427
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug849781-2.js
@@ -0,0 +1,9 @@
+function assertArraysFirstEqual(a, b) {
+ if (a.length != b.length) {}
+}
+function check(b) {
+ var a = deserialize(serialize(b));
+ assertArraysFirstEqual(a, b);
+}
+check(new Int8Array(1));
+evaluate("check(['a', 'b']);");