From a1f286bdaff6b82ff765fd2b73b69feabda9a01d Mon Sep 17 00:00:00 2001
From: John Ericson <Ericson2314@Yahoo.com>
Date: Wed, 26 Aug 2015 00:24:20 -0700
Subject: [PATCH] don't drop uninitialised memory when pushing to stack

---
 src/arch/common.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/arch/common.rs b/src/arch/common.rs
index 465c1ca..1e9a188 100644
--- a/src/arch/common.rs
+++ b/src/arch/common.rs
@@ -18,7 +18,7 @@ pub unsafe fn push<T>(spp: &mut *mut usize, value: T) -> *mut T {
   let mut sp = *spp as *mut T;
   sp = offset_mut(sp, -1);
   sp = align_down_mut(sp, max(align_of::<T>(), STACK_ALIGN));
-  *sp = value;
+  ptr::write(sp, value); // does not attempt to drop old value
   *spp = sp as *mut usize;
   sp
 }