IR fixes to help symbolization of K/N

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/builders/ExpressionHelpers.kt

@@ -14,6 +14,7 @@ import org.jetbrains.kotlin.ir.expressions.impl.*
 import org.jetbrains.kotlin.ir.symbols.*
 import org.jetbrains.kotlin.ir.types.IrType
 import org.jetbrains.kotlin.ir.types.classifierOrFail
+import org.jetbrains.kotlin.ir.util.parentAsClass
 import org.jetbrains.kotlin.types.KotlinType
 import org.jetbrains.kotlin.utils.addToStdlib.assertedCast
 
@@ -218,7 +219,8 @@ fun IrBuilderWithScope.irCall(callee: IrFunction, origin: IrStatementOrigin): Ir
     IrCallImpl(startOffset, endOffset, callee.returnType, callee.symbol, callee.descriptor, origin)
 
 fun IrBuilderWithScope.irDelegatingConstructorCall(callee: IrConstructor): IrDelegatingConstructorCall =
-    IrDelegatingConstructorCallImpl(startOffset, endOffset, callee.returnType, callee.symbol, callee.descriptor, callee.typeParameters.size)
+    IrDelegatingConstructorCallImpl(startOffset, endOffset, callee.returnType, callee.symbol, callee.descriptor,
+            callee.parentAsClass.typeParameters.size, callee.valueParameters.size)
 
 fun IrBuilderWithScope.irCallOp(
     callee: IrFunctionSymbol,

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

@@ -50,6 +50,13 @@ class IrDelegatingConstructorCallImpl(
         descriptor: ClassConstructorDescriptor
     ) : this(startOffset, endOffset, type, symbol, descriptor, descriptor.typeParametersCount, descriptor.valueParameters.size)
 
+    constructor(
+        startOffset: Int,
+        endOffset: Int,
+        type: IrType,
+        symbol: IrConstructorSymbol
+    ) : this(startOffset, endOffset, type, symbol, symbol.descriptor)
+
     constructor(
         startOffset: Int,
         endOffset: Int,

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

@@ -442,21 +442,6 @@ fun createField(
     return IrFieldImpl(startOffset, endOffset, origin, descriptor, type)
 }
 
-fun IrFunction.createDispatchReceiverParameter() {
-    assert(this.dispatchReceiverParameter == null)
-
-    val descriptor = this.descriptor.dispatchReceiverParameter ?: return
-
-    this.dispatchReceiverParameter = IrValueParameterImpl(
-        startOffset,
-        endOffset,
-        IrDeclarationOrigin.DEFINED,
-        descriptor,
-        this.parentAsClass.defaultType,
-        null
-    ).also { it.parent = this }
-}
-
 // In presence of `IrBlock`s, return the expression that actually serves as the value (the last one).
 tailrec fun IrExpression.removeBlocks(): IrExpression? = when (this) {
     is IrBlock -> (statements.last() as? IrExpression)?.removeBlocks()