[FIR2IR] Handle references to constructors separately

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/generators/CallAndReferenceGenerator.kt

@@ -24,6 +24,7 @@ import org.jetbrains.kotlin.fir.symbols.impl.FirClassSymbol
 import org.jetbrains.kotlin.fir.symbols.impl.FirFunctionSymbol
 import org.jetbrains.kotlin.fir.symbols.impl.FirRegularClassSymbol
 import org.jetbrains.kotlin.fir.types.*
+import org.jetbrains.kotlin.ir.declarations.IrClass
 import org.jetbrains.kotlin.ir.declarations.IrFunction
 import org.jetbrains.kotlin.ir.declarations.IrProperty
 import org.jetbrains.kotlin.ir.expressions.IrErrorCallExpression
@@ -66,6 +67,15 @@ internal class CallAndReferenceGenerator(
                         referencedProperty.setter?.symbol
                     )
                 }
+                is IrConstructorSymbol -> {
+                    val constructor = symbol.owner
+                    val klass = constructor.parent as? IrClass
+                    IrFunctionReferenceImpl(
+                        startOffset, endOffset, type, symbol,
+                        typeArgumentsCount = constructor.typeParameters.size + (klass?.typeParameters?.size ?: 0),
+                        reflectionTarget = symbol
+                    )
+                }
                 is IrFunctionSymbol -> {
                     IrFunctionReferenceImpl(
                         startOffset, endOffset, type, symbol,

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

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // KJS_WITH_FULL_RUNTIME
 // WITH_RUNTIME
 

compiler/testData/ir/irText/expressions/callableReferences/boundInnerGenericConstructor.fir.txt

@@ -85,7 +85,9 @@ FILE fqName:test fileName:/boundInnerGenericConstructor.kt
         ERROR_CALL 'Unresolved reference: <Inapplicable(INAPPLICABLE): [test/foo]>#' type=IrErrorType
           CONST String type=kotlin.String value="O"
           CONST String type=kotlin.String value="K"
-          ERROR_EXPR 'Cannot bind 1 type arguments to ??? call with 0 type parameters' type=kotlin.reflect.KFunction2<T of test.Foo, kotlin.Any?, test.Foo.Inner<kotlin.Any?>>
+          FUNCTION_REFERENCE 'public constructor <init> (a: T of test.Foo, b: P of test.Foo.Inner) [primary] declared in test.Foo.Inner' type=kotlin.reflect.KFunction2<T of test.Foo, kotlin.Any?, test.Foo.Inner<kotlin.Any?>> origin=null reflectionTarget=<same>
+            <P>: kotlin.Any?
+            $this: GET_VAR 'val z: test.Foo<kotlin.String> [val] declared in test.box' type=test.Foo<kotlin.String> origin=null
       RETURN type=kotlin.Nothing from='public final fun box (): kotlin.String declared in test'
         CALL 'public final fun plus (other: kotlin.Any?): kotlin.String [operator] declared in kotlin' type=kotlin.String origin=PLUS
           $receiver: ERROR_CALL 'Unresolved reference: <Unresolved name: a>#' type=IrErrorType