[compiler] replace Enum values() with entries

To fix warnings. Also, use of `Enum.entries` may improve the performance

^KT-48872

compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/ir/Ir.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2024 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
@@ -46,7 +46,7 @@ open class BuiltinSymbolsBase(val irBuiltIns: IrBuiltIns, private val symbolTabl
     val charSequence = getClass(Name.identifier("CharSequence"), "kotlin")
     val string = getClass(Name.identifier("String"), "kotlin")
 
-    val primitiveIteratorsByType = PrimitiveType.values().associate { type ->
+    val primitiveIteratorsByType = PrimitiveType.entries.associate { type ->
         val iteratorClass = getClass(Name.identifier(type.typeName.asString() + "Iterator"), "kotlin", "collections")
         type to iteratorClass
     }