From be688356c96e7227489d0ab581d40d3cbbf4a32c Mon Sep 17 00:00:00 2001
From: Igor Chevdar <igor.chevdar@jetbrains.com>
Date: Wed, 16 Dec 2020 18:39:09 +0500
Subject: [PATCH] [IR] Fixed bug with thread unsafety

There is no need in a singleton here
---
 .../src/org/jetbrains/kotlin/backend/common/ir/IrUtils.kt     | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/ir/IrUtils.kt b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/ir/IrUtils.kt
index 49487090bcd..9ea06bc92a7 100644
--- a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/ir/IrUtils.kt
+++ b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/ir/IrUtils.kt
@@ -466,7 +466,7 @@ val IrFunction.allParametersCount: Int
 // This is essentially the same as FakeOverrideBuilder,
 // but it bypasses SymbolTable.
 // TODO: merge it with FakeOverrideBuilder.
-private object FakeOverrideBuilderForLowerings : FakeOverrideBuilderStrategy() {
+private class FakeOverrideBuilderForLowerings : FakeOverrideBuilderStrategy() {
 
     override fun linkFunctionFakeOverride(declaration: IrFakeOverrideFunction) {
         declaration.acquireSymbol(IrSimpleFunctionSymbolImpl(WrappedSimpleFunctionDescriptor()))
@@ -491,7 +491,7 @@ private object FakeOverrideBuilderForLowerings : FakeOverrideBuilderStrategy() {
 }
 
 fun IrClass.addFakeOverrides(irBuiltIns: IrBuiltIns, implementedMembers: List<IrOverridableMember> = emptyList()) {
-    IrOverridingUtil(irBuiltIns, FakeOverrideBuilderForLowerings)
+    IrOverridingUtil(irBuiltIns, FakeOverrideBuilderForLowerings())
         .buildFakeOverridesForClassUsingOverriddenSymbols(this, implementedMembers)
         .forEach { addChild(it) }
 }