[FIR] KTIJ-24156: Add test data

analysis/analysis-api-fe10/tests-gen/org/jetbrains/kotlin/analysis/api/fe10/test/cases/generated/cases/symbols/Fe10IdeNormalAnalysisSourceModuleSymbolByFqNameTestGenerated.java

@@ -106,6 +106,12 @@ public class Fe10IdeNormalAnalysisSourceModuleSymbolByFqNameTestGenerated extend
         runTest("analysis/analysis-api/testData/symbols/symbolByFqName/nestedClass.kt");
     }
 
+    @Test
+    @TestMetadata("typealias.kt")
+    public void testTypealias() throws Exception {
+        runTest("analysis/analysis-api/testData/symbols/symbolByFqName/typealias.kt");
+    }
+
     @Nested
     @TestMetadata("analysis/analysis-api/testData/symbols/symbolByFqName/withTestCompilerPluginEnabled")
     @TestDataPath("$PROJECT_ROOT")

analysis/analysis-api-fir/tests-gen/org/jetbrains/kotlin/analysis/api/fir/test/cases/generated/cases/symbols/FirIdeNormalAnalysisSourceModuleSymbolByFqNameTestGenerated.java

@@ -106,6 +106,12 @@ public class FirIdeNormalAnalysisSourceModuleSymbolByFqNameTestGenerated extends
         runTest("analysis/analysis-api/testData/symbols/symbolByFqName/nestedClass.kt");
     }
 
+    @Test
+    @TestMetadata("typealias.kt")
+    public void testTypealias() throws Exception {
+        runTest("analysis/analysis-api/testData/symbols/symbolByFqName/typealias.kt");
+    }
+
     @Nested
     @TestMetadata("analysis/analysis-api/testData/symbols/symbolByFqName/withTestCompilerPluginEnabled")
     @TestDataPath("$PROJECT_ROOT")

analysis/analysis-api-impl-base/tests/org/jetbrains/kotlin/analysis/api/impl/base/test/SymbolByFqName.kt

@@ -50,6 +50,13 @@ sealed class SymbolData {
         }
     }
 
+    data class TypeAliasData(val classId: ClassId) : SymbolData() {
+        override fun KtAnalysisSession.toSymbols(): List<KtSymbol> {
+            val symbol = getTypeAliasByClassId(classId) ?: error("Type alias $classId is not found")
+            return listOf(symbol)
+        }
+    }
+
     data class CallableData(val callableId: CallableId) : SymbolData() {
         override fun KtAnalysisSession.toSymbols(): List<KtSymbol> {
             val classId = callableId.classId
@@ -71,10 +78,11 @@ sealed class SymbolData {
     }
 
     companion object {
-        val identifiers = arrayOf("callable:", "class:")
+        val identifiers = arrayOf("callable:", "class:", "typealias:")
 
         fun create(data: String): SymbolData = when {
             data.startsWith("class:") -> ClassData(ClassId.fromString(data.removePrefix("class:").trim()))
+            data.startsWith("typealias:") -> TypeAliasData(ClassId.fromString(data.removePrefix("typealias:").trim()))
             data.startsWith("callable:") -> {
                 val fullName = data.removePrefix("callable:").trim()
                 val name = if ('.' in fullName) fullName.substringAfterLast(".") else fullName.substringAfterLast('/')

analysis/analysis-api-standalone/tests-gen/org/jetbrains/kotlin/analysis/api/standalone/fir/test/cases/generated/cases/symbols/FirStandaloneNormalAnalysisSourceModuleSymbolByFqNameTestGenerated.java

@@ -105,4 +105,10 @@ public class FirStandaloneNormalAnalysisSourceModuleSymbolByFqNameTestGenerated
     public void testNestedClass() throws Exception {
         runTest("analysis/analysis-api/testData/symbols/symbolByFqName/nestedClass.kt");
     }
+
+    @Test
+    @TestMetadata("typealias.kt")
+    public void testTypealias() throws Exception {
+        runTest("analysis/analysis-api/testData/symbols/symbolByFqName/typealias.kt");
+    }
 }

analysis/analysis-api/testData/symbols/symbolByFqName/typealias.descriptors.txt

@@ -0,0 +1,11 @@
+KtTypeAliasSymbol:
+  annotationsList: []
+  classIdIfNonLocal: kotlin/DeepRecursiveFunctionBlock
+  expandedType: kotlin/coroutines/SuspendFunction2<kotlin/DeepRecursiveScope<*, *>, kotlin/Any?, kotlin/Any?>
+  name: DeepRecursiveFunctionBlock
+  origin: LIBRARY
+  symbolKind: TOP_LEVEL
+  typeParameters: []
+  visibility: Private
+  getContainingModule: KtLibraryModule "Library kotlin-stdlib"
+  deprecationStatus: null

analysis/analysis-api/testData/symbols/symbolByFqName/typealias.kt

@@ -0,0 +1,4 @@
+// See: KTIJ-24156
+// DO_NOT_CHECK_SYMBOL_RESTORE_K1
+
+// typealias: kotlin/DeepRecursiveFunctionBlock

analysis/analysis-api/testData/symbols/symbolByFqName/typealias.pretty.txt

@@ -0,0 +1 @@
+private typealias DeepRecursiveFunctionBlock = suspend kotlin.DeepRecursiveScope<*, *>.(kotlin.Any?) -> kotlin.Any?

analysis/analysis-api/testData/symbols/symbolByFqName/typealias.txt

@@ -0,0 +1,11 @@
+KtTypeAliasSymbol:
+  annotationsList: []
+  classIdIfNonLocal: kotlin/DeepRecursiveFunctionBlock
+  expandedType: @ExtensionFunctionType kotlin/coroutines/SuspendFunction2<kotlin/DeepRecursiveScope<*, *>, kotlin/Any?, kotlin/Any?>
+  name: DeepRecursiveFunctionBlock
+  origin: LIBRARY
+  symbolKind: TOP_LEVEL
+  typeParameters: []
+  visibility: Private
+  getContainingModule: KtLibraryModule "Library kotlin-stdlib"
+  deprecationStatus: null

analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/caches/FirThreadSafeCache.kt

@@ -13,8 +13,18 @@ internal class FirThreadSafeCache<K : Any, V, CONTEXT>(
     private val createValue: (K, CONTEXT) -> V
 ) : FirCache<K, V, CONTEXT>() {
 
+    private val updating: ThreadLocal<Boolean> = ThreadLocal.withInitial { false }
+
     override fun getValue(key: K, context: CONTEXT): V =
-        map.getOrPutWithNullableValue(key) { createValue(it, context) }
+        map.getOrPutWithNullableValue(key) {
+            if (updating.get()) error("Recursive update")
+            try {
+                updating.set(true)
+                createValue(it, context)
+            } finally {
+                updating.set(false)
+            }
+        }
 
     override fun getValueIfComputed(key: K): V? =
         map[key]?.nullValueToNull()