[JVM IR] Move CachedSyntheticDeclarations to backend.common

This will allow us to use this class in KLIB-based backends (KT-64865)

compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/inline/SyntheticAccessorGenerator.kt

@@ -1,9 +1,9 @@
 /*
- * Copyright 2010-2023 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.
  */
 
-package org.jetbrains.kotlin.backend.jvm
+package org.jetbrains.kotlin.backend.common.lower.inline
 
 import org.jetbrains.kotlin.backend.common.BackendContext
 import org.jetbrains.kotlin.backend.common.ScopeWithIr
@@ -33,7 +33,7 @@ import java.util.concurrent.ConcurrentHashMap
  *    accessors on KLIB-based backends ([KT-64865](https://youtrack.jetbrains.com/issue/KT-64865)).
  *    Please consider this fact when you want to change its implementation.
  */
-open class CachedSyntheticDeclarations<Context : BackendContext>(protected val context: Context) {
+open class SyntheticAccessorGenerator<Context : BackendContext>(protected val context: Context) {
     private data class FieldKey(val fieldSymbol: IrFieldSymbol, val parent: IrDeclarationParent, val superQualifierSymbol: IrClassSymbol?)
 
     private data class FunctionKey(

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/JvmSyntheticAccessorGenerator.kt

@@ -6,6 +6,7 @@
 package org.jetbrains.kotlin.backend.jvm
 
 import org.jetbrains.kotlin.backend.common.ScopeWithIr
+import org.jetbrains.kotlin.backend.common.lower.inline.SyntheticAccessorGenerator
 import org.jetbrains.kotlin.backend.jvm.ir.isJvmInterface
 import org.jetbrains.kotlin.codegen.AsmUtil
 import org.jetbrains.kotlin.descriptors.DescriptorVisibilities
@@ -19,7 +20,7 @@ import org.jetbrains.kotlin.load.java.JvmAbi
 import org.jetbrains.org.objectweb.asm.Opcodes
 import java.util.concurrent.ConcurrentHashMap
 
-class JvmSyntheticAccessorGenerator(context: JvmBackendContext) : CachedSyntheticDeclarations<JvmBackendContext>(context) {
+class JvmSyntheticAccessorGenerator(context: JvmBackendContext) : SyntheticAccessorGenerator<JvmBackendContext>(context) {
 
     override fun accessorModality(parent: IrDeclarationParent): Modality =
         if (parent is IrClass && parent.isJvmInterface) Modality.OPEN else Modality.FINAL