1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/asm.js/bug1201124-simd-proxy.js b/js/src/jit-test/tests/asm.js/bug1201124-simd-proxy.js
new file mode 100644
index 000000000..edcc069ff
--- /dev/null
+++ b/js/src/jit-test/tests/asm.js/bug1201124-simd-proxy.js
@@ -0,0 +1,28 @@
+load(libdir + "asm.js");
+load(libdir + "asserts.js");
+
+if (typeof newGlobal !== 'function' ||
+    !isSimdAvailable() ||
+    typeof SIMD === 'undefined')
+{
+    quit();
+}
+
+var stdlib = new (newGlobal().Proxy)(this, new Proxy({
+    simdGet: 0,
+    getOwnPropertyDescriptor(t, pk) {
+        if (pk === "SIMD" && this.simdGet++ === 1) {
+            return {};
+        }
+        return Reflect.getOwnPropertyDescriptor(t, pk);
+    }
+}, {
+    get(t, pk, r) {
+        print("trap", pk);
+        return Reflect.get(t, pk, r);
+    }
+}));
+
+var m = asmCompile('stdlib', '"use asm"; var i4=stdlib.SIMD.Int32x4; var i4add=i4.add; return {}');
+
+assertAsmLinkFail(m, stdlib);