[NI] Fix adapting arguments for callable references with receivers

#KT-35912 Fixed

compiler/fir/resolve/tests/org/jetbrains/kotlin/fir/FirOldFrontendDiagnosticsTestGenerated.java

@@ -2573,6 +2573,11 @@ public class FirOldFrontendDiagnosticsTestGenerated extends AbstractFirOldFronte
                 runTest("compiler/testData/diagnostics/tests/callableReference/resolve/byValType.kt");
             }
 
+            @TestMetadata("callableReferenceToVarargWithOverload.kt")
+            public void testCallableReferenceToVarargWithOverload() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/callableReference/resolve/callableReferenceToVarargWithOverload.kt");
+            }
+
             @TestMetadata("chooseCallableReferenceDependingOnInferredReceiver.kt")
             public void testChooseCallableReferenceDependingOnInferredReceiver() throws Exception {
                 runTest("compiler/testData/diagnostics/tests/callableReference/resolve/chooseCallableReferenceDependingOnInferredReceiver.kt");

compiler/resolution/src/org/jetbrains/kotlin/resolve/calls/components/CallableReferenceResolution.kt

@@ -266,7 +266,7 @@ class CallableReferencesCandidateFactory(
                 val mappedArgument: KotlinType?
                 if (substitutedParameter.isVararg) {
                     val (varargType, newVarargMappingState) = varargParameterTypeByExpectedParameter(
-                        inputOutputTypes.inputTypes[index],
+                        inputOutputTypes.inputTypes[index + unboundReceiverCount],
                         substitutedParameter,
                         varargMappingState,
                         builtins

compiler/testData/diagnostics/tests/callableReference/resolve/callableReferenceToVarargWithOverload.fir.kt

@@ -0,0 +1,16 @@
+// !LANGUAGE: +NewInference
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+
+import kotlin.reflect.KFunction2
+
+class Foo
+
+fun test(fn: KFunction2<Foo, Array<out String>, String>) = null
+
+fun Foo.bar(vararg x: String) = ""
+fun Foo.bar(vararg x: Int) = ""
+
+
+fun actualTest() {
+    <!INAPPLICABLE_CANDIDATE!>test<!>(<!UNRESOLVED_REFERENCE!>Foo::bar<!>)
+}

compiler/testData/diagnostics/tests/callableReference/resolve/callableReferenceToVarargWithOverload.kt

@@ -0,0 +1,16 @@
+// !LANGUAGE: +NewInference
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+
+import kotlin.reflect.KFunction2
+
+class Foo
+
+fun test(fn: KFunction2<Foo, Array<out String>, String>) = null
+
+fun Foo.bar(vararg x: String) = ""
+fun Foo.bar(vararg x: Int) = ""
+
+
+fun actualTest() {
+    test(Foo::bar)
+}

compiler/testData/diagnostics/tests/callableReference/resolve/callableReferenceToVarargWithOverload.txt

@@ -0,0 +1,13 @@
+package
+
+public fun actualTest(): kotlin.Unit
+public fun test(/*0*/ fn: kotlin.reflect.KFunction2<Foo, kotlin.Array<out kotlin.String>, kotlin.String>): kotlin.Nothing?
+public fun Foo.bar(/*0*/ vararg x: kotlin.String /*kotlin.Array<out kotlin.String>*/): kotlin.String
+public fun Foo.bar(/*0*/ vararg x: kotlin.Int /*kotlin.IntArray*/): kotlin.String
+
+public final class Foo {
+    public constructor Foo()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}

compiler/tests/org/jetbrains/kotlin/checkers/DiagnosticsTestGenerated.java

@@ -2580,6 +2580,11 @@ public class DiagnosticsTestGenerated extends AbstractDiagnosticsTest {
                     runTest("compiler/testData/diagnostics/tests/callableReference/resolve/byValType.kt");
                 }
 
+                @TestMetadata("callableReferenceToVarargWithOverload.kt")
+                public void testCallableReferenceToVarargWithOverload() throws Exception {
+                    runTest("compiler/testData/diagnostics/tests/callableReference/resolve/callableReferenceToVarargWithOverload.kt");
+                }
+
                 @TestMetadata("chooseCallableReferenceDependingOnInferredReceiver.kt")
                 public void testChooseCallableReferenceDependingOnInferredReceiver() throws Exception {
                     runTest("compiler/testData/diagnostics/tests/callableReference/resolve/chooseCallableReferenceDependingOnInferredReceiver.kt");

compiler/tests/org/jetbrains/kotlin/checkers/javac/DiagnosticsUsingJavacTestGenerated.java

@@ -2575,6 +2575,11 @@ public class DiagnosticsUsingJavacTestGenerated extends AbstractDiagnosticsUsing
                     runTest("compiler/testData/diagnostics/tests/callableReference/resolve/byValType.kt");
                 }
 
+                @TestMetadata("callableReferenceToVarargWithOverload.kt")
+                public void testCallableReferenceToVarargWithOverload() throws Exception {
+                    runTest("compiler/testData/diagnostics/tests/callableReference/resolve/callableReferenceToVarargWithOverload.kt");
+                }
+
                 @TestMetadata("chooseCallableReferenceDependingOnInferredReceiver.kt")
                 public void testChooseCallableReferenceDependingOnInferredReceiver() throws Exception {
                     runTest("compiler/testData/diagnostics/tests/callableReference/resolve/chooseCallableReferenceDependingOnInferredReceiver.kt");