1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/large-arraybuffers/jit-alloc-big.js b/js/src/jit-test/tests/large-arraybuffers/jit-alloc-big.js
new file mode 100644
index 0000000000..2d2706f903
--- /dev/null
+++ b/js/src/jit-test/tests/large-arraybuffers/jit-alloc-big.js
@@ -0,0 +1,23 @@
+// |jit-test| slow
+
+// Ensure Warp JIT code handles |new Int32Array(INT32_MAX)| correctly.
+
+function test(len) {
+    var ta;
+    for (var i = 0; i < 2149; i++) {
+        if (i % 1024 === 100) {
+            // Constant length.
+            ta = new Int32Array(0x7fff_ffff);
+            assertEq(ta.length, 0x7fff_ffff);
+            ta[0x7fff_fffe] = i;
+            assertEq(ta[0x7fff_fffe], i);
+
+            // Variable length.
+            ta = new Int32Array(len - i);
+            assertEq(ta.length, len - i);
+            ta[ta.length - 1] = i;
+            assertEq(ta[ta.length - 1], i);
+        }
+    }
+}
+test(0x7fff_ffff);