deleted file mode 100644
--- a/js/src/jit-test/tests/basic/bug1296249.js
+++ /dev/null
@@ -1,10 +0,0 @@
-function f(x) {
-    new Int32Array(x);
-}
-f(0);
-try {
-    f(2147483647);
-} catch(e) {
-    assertEq(e instanceof InternalError, true,
-             "expected InternalError, instead threw: " + e);
-}

--- a/js/src/jit/MacroAssembler.cpp
+++ b/js/src/jit/MacroAssembler.cpp
@@ -1057,22 +1057,16 @@ AllocateObjectBufferWithInit(JSContext* 
             return; \
         break;
 JS_FOR_EACH_TYPED_ARRAY(CREATE_TYPED_ARRAY)
 #undef CREATE_TYPED_ARRAY
       default:
         MOZ_CRASH("Unsupported TypedArray type");
     }
 
-    // Prevent an overflow caused by the JS_ROUNDUP since |allocateBuffer|
-    // converts |nbytes| of type size_t to uint32_t. The value for |nbytes| will
-    // truncate to zero when |new Int32Array(2147483647)| is used.
-    if (nbytes >= TypedArrayObject::SINGLETON_BYTE_LENGTH)
-        return;
-
     nbytes = JS_ROUNDUP(nbytes, sizeof(Value));
     Nursery& nursery = cx->runtime()->gc.nursery;
     void* buf = nursery.allocateBuffer(obj, nbytes);
     if (buf) {
         obj->initPrivate(buf);
         memset(buf, 0, nbytes);
     }
 }