[JS IR BE]

* Fix type parameters for callable references
 * Visit IrCallableReference tree as well

compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/CallableReferenceLowering.kt

@@ -6,6 +6,7 @@
 package org.jetbrains.kotlin.ir.backend.js.lower
 
 import org.jetbrains.kotlin.backend.common.FileLoweringPass
+import org.jetbrains.kotlin.backend.common.descriptors.WrappedTypeParameterDescriptor
 import org.jetbrains.kotlin.backend.common.descriptors.WrappedValueParameterDescriptor
 import org.jetbrains.kotlin.descriptors.Visibilities
 import org.jetbrains.kotlin.ir.IrStatement
@@ -13,10 +14,12 @@ import org.jetbrains.kotlin.ir.backend.js.JsIrBackendContext
 import org.jetbrains.kotlin.ir.backend.js.ir.JsIrBuilder
 import org.jetbrains.kotlin.ir.backend.js.utils.Namer
 import org.jetbrains.kotlin.ir.declarations.*
+import org.jetbrains.kotlin.ir.declarations.impl.IrTypeParameterImpl
 import org.jetbrains.kotlin.ir.declarations.impl.IrValueParameterImpl
 import org.jetbrains.kotlin.ir.expressions.*
 import org.jetbrains.kotlin.ir.expressions.impl.IrCallImpl
 import org.jetbrains.kotlin.ir.symbols.IrValueSymbol
+import org.jetbrains.kotlin.ir.symbols.impl.IrTypeParameterSymbolImpl
 import org.jetbrains.kotlin.ir.symbols.impl.IrValueParameterSymbolImpl
 import org.jetbrains.kotlin.ir.types.IrSimpleType
 import org.jetbrains.kotlin.ir.types.toIrType
@@ -50,6 +53,7 @@ class CallableReferenceLowering(val context: JsIrBackendContext) : FileLoweringP
 
     inner class CallableReferenceLowerTransformer : IrElementTransformerVoid() {
         override fun visitFunctionReference(expression: IrFunctionReference): IrExpression {
+            expression.transformChildrenVoid(this)
             val declaration = expression.symbol.owner
             if (declaration.origin == JsIrBackendContext.callableClosureOrigin) return expression
             val key = makeCallableKey(declaration, expression)
@@ -58,6 +62,7 @@ class CallableReferenceLowering(val context: JsIrBackendContext) : FileLoweringP
         }
 
         override fun visitPropertyReference(expression: IrPropertyReference): IrExpression {
+            expression.transformChildrenVoid(this)
             val declaration = expression.getter!!.owner
             val key = makeCallableKey(declaration, expression)
             val factory = callableToGetterFunction.getOrPut(key) { lowerKPropertyReference(declaration, expression) }
@@ -65,6 +70,7 @@ class CallableReferenceLowering(val context: JsIrBackendContext) : FileLoweringP
         }
 
         override fun visitLocalDelegatedPropertyReference(expression: IrLocalDelegatedPropertyReference): IrExpression {
+            expression.transformChildrenVoid(this)
             val key = makeCallableKey(expression.getter.owner, expression)
             val factory = callableToGetterFunction.getOrPut(key) { lowerLocalKPropertyReference(expression) }
             return redirectToFunction(expression, factory)
@@ -446,6 +452,26 @@ class CallableReferenceLowering(val context: JsIrBackendContext) : FileLoweringP
             }
         }
 
+        val typeParameters =
+            if (declaration is IrConstructor) (declaration.parent as IrClass).typeParameters else declaration.typeParameters
+
+        for (t in typeParameters) {
+            val descriptor = WrappedTypeParameterDescriptor()
+            refGetDeclaration.typeParameters += IrTypeParameterImpl(
+                t.startOffset,
+                t.endOffset,
+                t.origin,
+                IrTypeParameterSymbolImpl(descriptor),
+                t.name,
+                t.index,
+                t.isReified,
+                t.variance
+            ).also {
+                descriptor.bind(it)
+                it.parent = refGetDeclaration
+            }
+        }
+
         return refGetDeclaration
     }
 

compiler/testData/codegen/box/callableReference/function/genericWithDependentType.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // WITH_RUNTIME
 
 class Wrapper<T>(val value: T)

compiler/testData/codegen/box/callableReference/property/genericProperty.kt

@@ -1,6 +1,5 @@
 // IGNORE_BACKEND: NATIVE
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 //For KT-6020
 import kotlin.reflect.KProperty1
 import kotlin.reflect.KMutableProperty1

compiler/testData/codegen/box/callableReference/property/kt14330_2.kt

@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 var recivier : Any? = "fail"
 var value2 : Any? = "fail2"
 

compiler/testData/codegen/box/callableReference/property/kt15447.kt

@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 //WITH_RUNTIME
 
 fun box(): String {