From 8f34b6599a404e2283ab217b1598cbf859884aa1 Mon Sep 17 00:00:00 2001
From: Dmitrii Gridin <dmitry.gridin@jetbrains.com>
Date: Wed, 8 Feb 2023 20:09:21 +0100
Subject: [PATCH] [AA FIR] BuilderCache: replace regular map with concurrent to
 avoid exceptions

Example:
```stacktrace
Caused by: java.lang.ArrayIndexOutOfBoundsException: Index 32 out of bounds for length 17
  at com.intellij.util.containers.RefHashMap$MyMap.rehash(RefHashMap.java:85)
  at it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap.insert(Object2ObjectOpenHashMap.java:251)
  at it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap.put(Object2ObjectOpenHashMap.java:259)
  at com.intellij.util.containers.RefHashMap.putKey(RefHashMap.java:160)
  at com.intellij.util.containers.RefKeyRefValueHashMap.put(RefKeyRefValueHashMap.java:55)
  at org.jetbrains.kotlin.analysis.api.fir.KtSymbolByFirBuilder$FunctionLikeSymbolBuilder.buildFunctionSymbol(KtSymbolByFirBuilder.kt:727)
  at org.jetbrains.kotlin.analysis.api.fir.scopes.FirScopeUtilsKt$getCallableSymbols$1$1$1$1.invoke(firScopeUtils.kt:25)
  at org.jetbrains.kotlin.analysis.api.fir.scopes.FirScopeUtilsKt$getCallableSymbols$1$1$1$1.invoke(firScopeUtils.kt:24)
  at org.jetbrains.kotlin.fir.scopes.impl.FirClassDeclaredMemberScopeImpl.processFunctionsByName(FirClassDeclaredMemberScope.kt:103)
  ```

^KTIJ-22749
---
 .../jetbrains/kotlin/analysis/api/fir/KtSymbolByFirBuilder.kt   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/KtSymbolByFirBuilder.kt b/analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/KtSymbolByFirBuilder.kt
index 461198a9e0b..d4bce5defdc 100644
--- a/analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/KtSymbolByFirBuilder.kt
+++ b/analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/KtSymbolByFirBuilder.kt
@@ -608,7 +608,7 @@ internal class KtSymbolByFirBuilder constructor(
 
 
 private class BuilderCache<From, To : KtSymbol> {
-    private val cache = ContainerUtil.createWeakKeySoftValueMap<From, To>()
+    private val cache = ContainerUtil.createConcurrentWeakKeySoftValueMap<From, To>()
 
     inline fun <reified S : To> cache(key: From, calculation: () -> S): S {
         val value = cache.getOrPut(key, calculation)