[IR] Make contextReceiverParametersCount abstract in IrFunction

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/lazy/Fir2IrLazyConstructor.kt

@@ -97,6 +97,8 @@ class Fir2IrLazyConstructor(
             error("Mutating Fir2Ir lazy elements is not possible")
         }
 
+    override var contextReceiverParametersCount: Int = 0
+
     override var valueParameters: List<IrValueParameter> by lazyVar(lock) {
         declarationStorage.enterScope(this)
         fir.valueParameters.mapIndexed { index, valueParameter ->

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/lazy/Fir2IrLazyPropertyAccessor.kt

@@ -73,6 +73,8 @@ class Fir2IrLazyPropertyAccessor(
         }
     }
 
+    override var contextReceiverParametersCount: Int = 0
+
     override var valueParameters: List<IrValueParameter> by lazyVar(lock) {
         if (!isSetter) emptyList()
         else {

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/lazy/Fir2IrLazySimpleFunction.kt

@@ -61,6 +61,8 @@ class Fir2IrLazySimpleFunction(
         }
     }
 
+    override var contextReceiverParametersCount: Int = 0
+
     override var valueParameters: List<IrValueParameter> by lazyVar(lock) {
         declarationStorage.enterScope(this)
         fir.valueParameters.mapIndexed { index, valueParameter ->

compiler/ir/ir.tree.impl/src/org/jetbrains/kotlin/ir/declarations/impl/IrConstructorImpl.kt

@@ -62,6 +62,7 @@ class IrConstructorImpl(
 
     override var dispatchReceiverParameter: IrValueParameter? = null
     override var extensionReceiverParameter: IrValueParameter? = null
+    override var contextReceiverParametersCount: Int = 0
     override var valueParameters: List<IrValueParameter> = emptyList()
 
     override var body: IrBody? = null

compiler/ir/ir.tree.impl/src/org/jetbrains/kotlin/ir/declarations/impl/IrFunctionImpl.kt

@@ -54,6 +54,8 @@ abstract class IrFunctionCommonImpl(
     override var extensionReceiverParameter: IrValueParameter? = null
     override var valueParameters: List<IrValueParameter> = emptyList()
 
+    override var contextReceiverParametersCount: Int = 0
+
     override var body: IrBody? = null
 
     override var metadata: MetadataSource? = null

compiler/ir/ir.tree.persistent/gen/org/jetbrains/kotlin/ir/declarations/persistent/PersistentIrConstructor.kt

@@ -168,6 +168,8 @@ internal class PersistentIrConstructor(
             }
         }
 
+    override var contextReceiverParametersCount: Int = 0
+
     override var metadata: MetadataSource? = null
 
     override var visibilityField: DescriptorVisibility = visibility

compiler/ir/ir.tree.persistent/gen/org/jetbrains/kotlin/ir/declarations/persistent/PersistentIrFunctionCommon.kt

@@ -152,6 +152,8 @@ internal abstract class PersistentIrFunctionCommon(
             }
         }
 
+    override var contextReceiverParametersCount: Int = 0
+
     override var bodyField: IrBody? = null
 
     override var body: IrBody?

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/IrFunction.kt

@@ -46,12 +46,12 @@ abstract class IrFunction :
     abstract var extensionReceiverParameter: IrValueParameter?
     abstract var valueParameters: List<IrValueParameter>
 
-    abstract var body: IrBody?
-
     /**
      * The first `contextReceiverParametersCount` value parameters are context receivers
      */
-    var contextReceiverParametersCount: Int = 0
+    abstract var contextReceiverParametersCount: Int
+
+    abstract var body: IrBody?
 
     override fun <D> acceptChildren(visitor: IrElementVisitor<Unit, D>, data: D) {
         typeParameters.forEach { it.accept(visitor, data) }

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/lazy/IrLazyConstructor.kt

@@ -89,6 +89,8 @@ class IrLazyConstructor(
 
     override var valueParameters: List<IrValueParameter> by lazyVar(stubGenerator.lock) { createValueParameters() }
 
+    override var contextReceiverParametersCount: Int = descriptor.contextReceiverParameters.size
+
     override var metadata: MetadataSource?
         get() = null
         set(_) = error("We should never need to store metadata of external declarations.")

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/lazy/IrLazyFunction.kt

@@ -71,6 +71,8 @@ class IrLazyFunction(
         if (tryLoadIr()) valueParameters else createValueParameters()
     }
 
+    override var contextReceiverParametersCount: Int = descriptor.contextReceiverParameters.size
+
     override var metadata: MetadataSource?
         get() = null
         set(_) = error("We should never need to store metadata of external declarations.")