Initialize parameters in irFunctions

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

@@ -54,6 +54,7 @@ import org.jetbrains.kotlin.ir.expressions.impl.IrConstImpl
 import org.jetbrains.kotlin.ir.expressions.impl.IrGetValueImpl
 import org.jetbrains.kotlin.ir.expressions.impl.IrReturnImpl
 import org.jetbrains.kotlin.ir.symbols.impl.IrVariableSymbolImpl
+import org.jetbrains.kotlin.ir.util.createParameterDeclarations
 import org.jetbrains.kotlin.load.java.BuiltinMethodsWithSpecialGenericSignature
 import org.jetbrains.kotlin.load.java.BuiltinMethodsWithSpecialGenericSignature.TypeSafeBarrierDescription.*
 import org.jetbrains.kotlin.load.java.getOverriddenBuiltinReflectingJvmDescriptor
@@ -206,6 +207,7 @@ class BridgeLowering(val context: JvmBackendContext) : ClassLoweringPass {
         )
 
         val irFunction = IrFunctionImpl(UNDEFINED_OFFSET, UNDEFINED_OFFSET, IrDeclarationOrigin.DEFINED, bridgeDescriptor)
+        irFunction.createParameterDeclarations()
 
         context.createIrBuilder(irFunction.symbol).irBlockBody(irFunction) {
             //TODO

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

@@ -33,6 +33,7 @@ import org.jetbrains.kotlin.ir.expressions.impl.IrBlockBodyImpl
 import org.jetbrains.kotlin.ir.expressions.impl.IrCallImpl
 import org.jetbrains.kotlin.ir.expressions.impl.IrGetValueImpl
 import org.jetbrains.kotlin.ir.expressions.impl.IrReturnImpl
+import org.jetbrains.kotlin.ir.util.createParameterDeclarations
 import org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid
 import org.jetbrains.kotlin.ir.visitors.transformChildrenVoid
 import org.jetbrains.kotlin.resolve.DescriptorUtils
@@ -75,6 +76,7 @@ class InterfaceDelegationLowering(val state: GenerationState) : IrElementTransfo
     private fun generateDelegationToDefaultImpl(irClass: IrClass, interfaceFun: FunctionDescriptor, inheritedFun: FunctionDescriptor) {
         val irBody = IrBlockBodyImpl(UNDEFINED_OFFSET, UNDEFINED_OFFSET)
         val irFunction = IrFunctionImpl(UNDEFINED_OFFSET, UNDEFINED_OFFSET, IrDeclarationOrigin.DEFINED, inheritedFun, irBody)
+        irFunction.createParameterDeclarations()
         irClass.declarations.add(irFunction)
 
         val interfaceDescriptor = interfaceFun.containingDeclaration as ClassDescriptor

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

@@ -35,6 +35,7 @@ import org.jetbrains.kotlin.ir.IrStatement
 import org.jetbrains.kotlin.ir.UNDEFINED_OFFSET
 import org.jetbrains.kotlin.ir.declarations.IrClass
 import org.jetbrains.kotlin.ir.declarations.IrFile
+import org.jetbrains.kotlin.ir.declarations.impl.IrConstructorImpl
 import org.jetbrains.kotlin.ir.declarations.impl.IrFunctionImpl
 import org.jetbrains.kotlin.ir.expressions.IrCall
 import org.jetbrains.kotlin.ir.expressions.IrDelegatingConstructorCall
@@ -42,6 +43,7 @@ import org.jetbrains.kotlin.ir.expressions.IrMemberAccessExpression
 import org.jetbrains.kotlin.ir.expressions.impl.*
 import org.jetbrains.kotlin.ir.symbols.IrConstructorSymbol
 import org.jetbrains.kotlin.ir.symbols.impl.createFunctionSymbol
+import org.jetbrains.kotlin.ir.util.createParameterDeclarations
 import org.jetbrains.kotlin.ir.util.usesDefaultArguments
 import org.jetbrains.kotlin.ir.visitors.IrElementTransformer
 import org.jetbrains.kotlin.name.Name
@@ -201,10 +203,15 @@ class SyntheticAccessorLowering(val context: JvmBackendContext) : FileLoweringPa
                 isConstructor, accessor, context,
                 accessor.calleeDescriptor as? FunctionDescriptor ?: return,
                 accessorOwner)
-            val syntheticFunction = IrFunctionImpl(
+            val syntheticFunction = if (isConstructor) IrConstructorImpl(
-                    UNDEFINED_OFFSET, UNDEFINED_OFFSET, JvmLoweredDeclarationOrigin.SYNTHETIC_ACCESSOR,
+                UNDEFINED_OFFSET, UNDEFINED_OFFSET, JvmLoweredDeclarationOrigin.SYNTHETIC_ACCESSOR,
-                    accessorForIr, body
+                accessorForIr as ClassConstructorDescriptor, body
+            ) else IrFunctionImpl(
+                UNDEFINED_OFFSET, UNDEFINED_OFFSET, JvmLoweredDeclarationOrigin.SYNTHETIC_ACCESSOR,
+                accessorForIr, body
             )
+            syntheticFunction.createParameterDeclarations()
+
             val calleeDescriptor = accessor.calleeDescriptor as FunctionDescriptor
             val delegationCall =
                     if (!isConstructor)