From 44bb12480b3a9194bf8e56f385d189ae07a978cf Mon Sep 17 00:00:00 2001
From: Mikhail Glukhikh <mikhail.glukhikh@jetbrains.com>
Date: Tue, 20 Oct 2020 11:08:32 +0300
Subject: [PATCH] [FIR2IR] Forbid private fake overrides in generator

---
 .../kotlin/fir/backend/generators/FakeOverrideGenerator.kt      | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/generators/FakeOverrideGenerator.kt b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/generators/FakeOverrideGenerator.kt
index 48a7faf6033..1187a7a5820 100644
--- a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/generators/FakeOverrideGenerator.kt
+++ b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/generators/FakeOverrideGenerator.kt
@@ -5,6 +5,7 @@
 
 package org.jetbrains.kotlin.fir.backend.generators
 
+import org.jetbrains.kotlin.descriptors.Visibilities
 import org.jetbrains.kotlin.fir.FirSession
 import org.jetbrains.kotlin.fir.FirSymbolOwner
 import org.jetbrains.kotlin.fir.backend.*
@@ -147,6 +148,7 @@ class FakeOverrideGenerator(
         val classId = klass.symbol.classId
         val originalDeclaration = originalSymbol.fir
         if (originalSymbol.callableId.classId == classId && !originalDeclaration.origin.fromSupertypes) return
+        if (originalDeclaration.visibility == Visibilities.Private) return
 
         val origin = IrDeclarationOrigin.FAKE_OVERRIDE
         val baseSymbol = originalSymbol.deepestOverriddenSymbol() as S