IR: remove IrCallableReference.referencedName

It was added in 66da676b9e to avoid dependency on descriptors, but now
it doesn't use descriptors anyway, so it's better to inline it than have
it in the interface.

compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/PropertyReferenceLowering.kt

@@ -348,7 +348,7 @@ internal class PropertyReferenceLowering(val context: JvmBackendContext) : IrEle
         var index = 0
         receiver?.let { call.putValueArgument(index++, it) }
         call.putValueArgument(index++, containerClass)
-        call.putValueArgument(index++, irString(expression.referencedName.asString()))
+        call.putValueArgument(index++, irString((expression.symbol.owner as IrDeclarationWithName).name.asString()))
         call.putValueArgument(index++, computeSignatureString(expression))
         if (useOptimizedSuperClass) {
             val isPackage = (container is IrClass && container.isFileClass) || container is IrPackageFragment
@@ -407,7 +407,7 @@ internal class PropertyReferenceLowering(val context: JvmBackendContext) : IrEle
             val getName = superClass.functions.single { it.name.asString() == "getName" }
             val getOwner = superClass.functions.single { it.name.asString() == "getOwner" }
             val getSignature = superClass.functions.single { it.name.asString() == "getSignature" }
-            referenceClass.addOverride(getName) { irString(expression.referencedName.asString()) }
+            referenceClass.addOverride(getName) { irString((expression.symbol.owner as IrDeclarationWithName).name.asString()) }
             referenceClass.addOverride(getOwner) { calculateOwner(expression.propertyContainer) }
             referenceClass.addOverride(getSignature) { computeSignatureString(expression) }
         }

compiler/ir/ir.tree/gen/org/jetbrains/kotlin/ir/expressions/IrCallableReference.kt

@@ -9,12 +9,9 @@
 package org.jetbrains.kotlin.ir.expressions
 
 import org.jetbrains.kotlin.ir.symbols.IrSymbol
-import org.jetbrains.kotlin.name.Name
 
 /**
  * A non-leaf IR tree element.
  * @sample org.jetbrains.kotlin.ir.generator.IrTree.callableReference
  */
-abstract class IrCallableReference<S : IrSymbol> : IrMemberAccessExpression<S>() {
-    abstract val referencedName: Name
-}
+abstract class IrCallableReference<S : IrSymbol> : IrMemberAccessExpression<S>()

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/expressions/impl/IrFunctionReferenceImpl.kt

@@ -22,7 +22,6 @@ import org.jetbrains.kotlin.ir.expressions.IrFunctionReference
 import org.jetbrains.kotlin.ir.expressions.IrStatementOrigin
 import org.jetbrains.kotlin.ir.symbols.IrFunctionSymbol
 import org.jetbrains.kotlin.ir.types.IrType
-import org.jetbrains.kotlin.name.Name
 
 class IrFunctionReferenceImpl(
     override val startOffset: Int,
@@ -34,9 +33,6 @@ class IrFunctionReferenceImpl(
     override val reflectionTarget: IrFunctionSymbol? = symbol,
     override val origin: IrStatementOrigin? = null,
 ) : IrFunctionReference() {
-    override val referencedName: Name
-        get() = symbol.owner.name
-
     override val typeArgumentsByIndex: Array<IrType?> = arrayOfNulls(typeArgumentsCount)
 
     override val argumentsByParameterIndex: Array<IrExpression?> = arrayOfNulls(valueArgumentsCount)

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/expressions/impl/IrLocalDelegatedPropertyReferenceImpl.kt

@@ -23,7 +23,6 @@ import org.jetbrains.kotlin.ir.symbols.IrLocalDelegatedPropertySymbol
 import org.jetbrains.kotlin.ir.symbols.IrSimpleFunctionSymbol
 import org.jetbrains.kotlin.ir.symbols.IrVariableSymbol
 import org.jetbrains.kotlin.ir.types.IrType
-import org.jetbrains.kotlin.name.Name
 
 class IrLocalDelegatedPropertyReferenceImpl(
     override val startOffset: Int,
@@ -42,7 +41,4 @@ class IrLocalDelegatedPropertyReferenceImpl(
 
     override val valueArgumentsCount: Int
         get() = 0
-
-    override val referencedName: Name
-        get() = symbol.owner.name
 }

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/expressions/impl/IrPropertyReferenceImpl.kt

@@ -23,7 +23,6 @@ import org.jetbrains.kotlin.ir.symbols.IrFieldSymbol
 import org.jetbrains.kotlin.ir.symbols.IrPropertySymbol
 import org.jetbrains.kotlin.ir.symbols.IrSimpleFunctionSymbol
 import org.jetbrains.kotlin.ir.types.IrType
-import org.jetbrains.kotlin.name.Name
 
 class IrPropertyReferenceImpl(
     override val startOffset: Int,
@@ -43,7 +42,4 @@ class IrPropertyReferenceImpl(
 
     override val valueArgumentsCount: Int
         get() = 0
-
-    override val referencedName: Name
-        get() = symbol.owner.name
 }

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/dumpKotlinLike.kt

@@ -1401,7 +1401,7 @@ private class KotlinLikeDumper(val p: Printer, val options: KotlinLikeDumpOption
         }
 
         printMemberAccessExpressionWithNoIndent(
-            referencedName.asString(), // effectively it's same as `symbol.owner.name.asString()`
+            (symbol.owner as IrDeclarationWithName).name.asString(),
             valueParameters,
             superQualifierSymbol = null,
             omitAllBracketsIfNoArguments = true,

compiler/ir/ir.tree/tree-generator/src/org/jetbrains/kotlin/ir/generator/IrTree.kt

@@ -688,8 +688,6 @@ object IrTree : AbstractTreeBuilder() {
         val s = +param("S", symbolType)
 
         parent(memberAccessExpression.withArgs("S" to s))
-
-        +field("referencedName", type<Name>())
     }
     val functionReference: ElementConfig by element(Expression) {
         visitorParent = callableReference