From 249f017bf2456100cabcfe5fcc2353097257fc84 Mon Sep 17 00:00:00 2001
From: Brian Anderson <banderson@mozilla.com>
Date: Thu, 1 Dec 2011 15:33:15 -0800
Subject: rt: Add FIXME's about future changes to LLVM's __morestack impl

---
 src/rt/rust_task.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/rt/rust_task.cpp')

diff --git a/src/rt/rust_task.cpp b/src/rt/rust_task.cpp
index 97e22618741..808d1a6b986 100644
--- a/src/rt/rust_task.cpp
+++ b/src/rt/rust_task.cpp
@@ -588,6 +588,9 @@ rust_task::del_stack() {
 
 void
 rust_task::record_stack_limit() {
+    // FIXME: Future LLVM patches expect us to add an additional 256 bytes
+    // here so that, if the frame size is < 256 it can generate the
+    // comparison against esp directly, instead of some offset from esp
     record_sp(stk->data + RED_ZONE_SIZE);
 }
 //
-- 
cgit 1.4.1-3-g733a5