From 3c0a85cde0a8fd0863474dea0813a5881be404a3 Mon Sep 17 00:00:00 2001
From: Ms2ger <ms2ger@gmail.com>
Date: Sun, 9 Mar 2014 18:52:52 +0100
Subject: [PATCH] Fix DoubleValue.

---
 jsval.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/jsval.rs b/jsval.rs
index 01a01db39..523f278f1 100644
--- a/jsval.rs
+++ b/jsval.rs
@@ -87,7 +87,10 @@ pub fn Int32Value(i: i32) -> JSVal {
 #[inline(always)]
 pub fn DoubleValue(f: f64) -> JSVal {
     let bits: u64 = unsafe { cast::transmute(f) };
-    BuildJSVal(JSVAL_TAG_DOUBLE, bits)
+    assert!(bits <= JSVAL_SHIFTED_TAG_MAX_DOUBLE as u64)
+    JSVal {
+        v: bits
+    }
 }
 
 #[inline(always)]