From 60f38369f17dc5c910e1917de7deba9c8b87ef67 Mon Sep 17 00:00:00 2001
From: Georgy Bronnikov <georgy.bronnikov@jetbrains.com>
Date: Tue, 16 Mar 2021 14:05:41 +0300
Subject: [PATCH] JVM_IR: synchronize binary class reloading

---
 .../src/org/jetbrains/kotlin/codegen/ClassFileFactory.java    | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/compiler/backend/src/org/jetbrains/kotlin/codegen/ClassFileFactory.java b/compiler/backend/src/org/jetbrains/kotlin/codegen/ClassFileFactory.java
index 58b46e44509..68faeff9af6 100644
--- a/compiler/backend/src/org/jetbrains/kotlin/codegen/ClassFileFactory.java
+++ b/compiler/backend/src/org/jetbrains/kotlin/codegen/ClassFileFactory.java
@@ -347,7 +347,9 @@ public class ClassFileFactory implements OutputFileCollection {
 
         @Override
         public byte[] asBytes(ClassBuilderFactory factory) {
-            return factory.asBytes(classBuilder);
+            synchronized(this) {
+                return factory.asBytes(classBuilder);
+            }
         }
 
         @Override