fix casts on 32-bit

Author: thestinger

src/libstd/cast.rs

@@ -33,7 +33,7 @@ pub unsafe fn transmute_copy<T, U>(src: &T) -> U {
     let mut dest: U = intrinsics::uninit();
     let dest_ptr: *mut u8 = transmute(&mut dest);
     let src_ptr: *u8 = transmute(src);
-    intrinsics::memcpy32(dest_ptr, src_ptr, sys::size_of::<U>() as u64);
+    intrinsics::memcpy32(dest_ptr, src_ptr, sys::size_of::<U>() as u32);
     dest
 }
 

src/libstd/ptr.rs

@@ -109,7 +109,7 @@ pub unsafe fn copy_memory<T>(dst: *mut T, src: *const T, count: uint) {
 #[cfg(target_word_size = "32", not(stage0))]
 pub unsafe fn copy_memory<T>(dst: *mut T, src: *const T, count: uint) {
     use unstable::intrinsics::memmove32;
-    memmove32(dst, src, count as u32);
+    memmove32(dst, src as *T, count as u32);
 }
 
 #[inline(always)]