FIR: minor code cleanup

compiler/fir/providers/src/org/jetbrains/kotlin/fir/scopes/impl/FirAbstractSimpleImportingScope.kt

@@ -24,7 +24,7 @@ abstract class FirAbstractSimpleImportingScope(
 
     override fun processClassifiersByNameWithSubstitution(name: Name, processor: (FirClassifierSymbol<*>, ConeSubstitutor) -> Unit) {
         val imports = simpleImports[name] ?: return
-        processImportsByName(null, imports) { symbol ->
+        processImportsByName(name = null, imports) { symbol ->
             processor(symbol, ConeSubstitutor.Empty)
         }
     }

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/calls/ConstructorProcessing.kt

@@ -78,8 +78,8 @@ private fun FirScope.getFirstClassifierOrNull(
     session: FirSession,
     bodyResolveComponents: BodyResolveComponents
 ): Pair<FirClassifierSymbol<*>, ConeSubstitutor>? {
-    var successful = false
-    var ambiguity = false
+    var isSuccessResult = false
+    var isAmbiguousResult = false
     var result: Pair<FirClassifierSymbol<*>, ConeSubstitutor>? = null
     processClassifiersByNameWithSubstitution(callInfo.name) { symbol, substitution ->
         val classifierDeclaration = symbol.fir
@@ -103,15 +103,15 @@ private fun FirScope.getFirstClassifierOrNull(
             isSuccessCandidate = false
         }
 
-        if (result == null || (!successful && isSuccessCandidate)) {
-            successful = isSuccessCandidate
+        if (result == null || (!isSuccessResult && isSuccessCandidate)) {
+            isSuccessResult = isSuccessCandidate
             result = symbol to substitution
         } else {
-            ambiguity = true
+            isAmbiguousResult = true
         }
     }
 
-    return result.takeUnless { ambiguity }
+    return result.takeUnless { isAmbiguousResult }
 }
 
 private fun processSyntheticConstructors(

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/plugin/FirCompanionGenerationProcessor.kt

@@ -34,6 +34,7 @@ class FirCompanionGenerationTransformer(val session: FirSession) : FirTransforme
     }
 
     override fun transformFile(file: FirFile, data: Nothing?): FirFile {
+        // I don't want to use laziness here to prevent possible multi-threading problems
         generatedDeclarationProvider = session.generatedDeclarationsSymbolProvider ?: return file
         return file.transformDeclarations(this, data)
     }