don't drop uninitialised memory when pushing to stack

2015-08-26 00:24:20 -07:00 · 2015-08-26 00:24:20 -07:00 · a1f286bdaf
parent 96a31d2443
commit a1f286bdaf
1 changed files with 1 additions and 1 deletions
--- 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
 }