From 6b348bfc6e22c8a618fd84395046451c8b1ad1c2 Mon Sep 17 00:00:00 2001
From: Alexander Udalov <Alexander.Udalov@jetbrains.com>
Date: Wed, 23 Apr 2014 22:43:37 +0400
Subject: [PATCH] Make Ref fields volatile

Otherwise local shared variables are not safe to use from several threads
---
 .../src/kotlin/jvm/internal/Ref.java           | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/core/runtime.jvm/src/kotlin/jvm/internal/Ref.java b/core/runtime.jvm/src/kotlin/jvm/internal/Ref.java
index 67328c8952c..7e46c5a4cec 100644
--- a/core/runtime.jvm/src/kotlin/jvm/internal/Ref.java
+++ b/core/runtime.jvm/src/kotlin/jvm/internal/Ref.java
@@ -20,38 +20,38 @@ public class Ref {
     private Ref() {}
 
     public static final class ObjectRef<T> {
-        public T element;
+        public volatile T element;
     }
 
     public static final class ByteRef {
-        public byte element;
+        public volatile byte element;
     }
 
     public static final class ShortRef {
-        public short element;
+        public volatile short element;
     }
 
     public static final class IntRef {
-        public int element;
+        public volatile int element;
     }
 
     public static final class LongRef {
-        public long element;
+        public volatile long element;
     }
 
     public static final class FloatRef {
-        public float element;
+        public volatile float element;
     }
 
     public static final class DoubleRef {
-        public double element;
+        public volatile double element;
     }
 
     public static final class CharRef {
-        public char element;
+        public volatile char element;
     }
 
     public static final class BooleanRef {
-        public boolean element;
+        public volatile boolean element;
     }
 }