From edddffdaddbcee3d7dd70e8f63d6c422008e0ddd Mon Sep 17 00:00:00 2001
From: Slava Pestov <slava@factorcode.org>
Date: Sun, 28 Aug 2011 21:24:58 -0700
Subject: [PATCH] compiler.cfg.dependence: Add ##allot to control dependency
 chain, so that we don't re-order an allocation and initialization with an
 alien call. The alien call might GC, exposing uninitialized memory to the GC.
 Fixes #53, fixes #58, fixes #20.

---
 basis/compiler/cfg/dependence/dependence.factor | 1 +
 1 file changed, 1 insertion(+)

diff --git a/basis/compiler/cfg/dependence/dependence.factor b/basis/compiler/cfg/dependence/dependence.factor
index 54f308324a..4005063e34 100644
--- a/basis/compiler/cfg/dependence/dependence.factor
+++ b/basis/compiler/cfg/dependence/dependence.factor
@@ -55,6 +55,7 @@ UNION: slot-insn
     ##read ##write ;
 
 UNION: memory-insn
+    ##allot
     ##load-memory ##load-memory-imm
     ##store-memory ##store-memory-imm
     ##write-barrier ##write-barrier-imm