From 586281e2d6d7f63e2b2d2b09c7f310f3b1d35355 Mon Sep 17 00:00:00 2001
From: Brian Anderson <banderson@mozilla.com>
Date: Mon, 19 Dec 2011 18:27:43 -0800
Subject: [PATCH] libcore: Remove stack alignment from task spawning

This is already done by the native task start code. Closes #1324
---
 src/libcore/task.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/libcore/task.rs b/src/libcore/task.rs
index 5cb2af9679d4..4d527cbe0619 100644
--- a/src/libcore/task.rs
+++ b/src/libcore/task.rs
@@ -316,8 +316,9 @@ fn unsafe_spawn_inner(-thunk: fn@(),
     let thunkenv: *mutable uint = cast(sp - ptrsize);
     *thunkfn = cast(raw_thunk.code);;
     *thunkenv = cast(raw_thunk.env);;
-    // align the stack to 16 bytes
-    (**task_ptr).stack_ptr = cast(sp - ptrsize * 4u);
+    // Advance the stack pointer. No need to align because
+    // the native code will do that for us
+    (**task_ptr).stack_ptr = cast(sp - ptrsize * 2u);
 
     // set up notifications if they are enabled.
     alt notify {