Don't create substituted copy of invoke descriptor with unchanged names

#KT-34919 Fixed

analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/DiagnosisCompilerTestFE10TestdataTestGenerated.java

@@ -31560,6 +31560,12 @@ public class DiagnosisCompilerTestFE10TestdataTestGenerated extends AbstractDiag
                 runTest("compiler/testData/diagnostics/tests/typealias/functionTypeInTypeAlias.kt");
             }
 
+            @Test
+            @TestMetadata("functionalTypeWithParameterNameVisibility.kt")
+            public void testFunctionalTypeWithParameterNameVisibility() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/typealias/functionalTypeWithParameterNameVisibility.kt");
+            }
+
             @Test
             @TestMetadata("genericTypeAliasConstructor.kt")
             public void testGenericTypeAliasConstructor() throws Exception {

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirOldFrontendDiagnosticsTestGenerated.java

@@ -31560,6 +31560,12 @@ public class FirOldFrontendDiagnosticsTestGenerated extends AbstractFirDiagnosti
                 runTest("compiler/testData/diagnostics/tests/typealias/functionTypeInTypeAlias.kt");
             }
 
+            @Test
+            @TestMetadata("functionalTypeWithParameterNameVisibility.kt")
+            public void testFunctionalTypeWithParameterNameVisibility() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/typealias/functionalTypeWithParameterNameVisibility.kt");
+            }
+
             @Test
             @TestMetadata("genericTypeAliasConstructor.kt")
             public void testGenericTypeAliasConstructor() throws Exception {

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirOldFrontendDiagnosticsWithLightTreeTestGenerated.java

@@ -31560,6 +31560,12 @@ public class FirOldFrontendDiagnosticsWithLightTreeTestGenerated extends Abstrac
                 runTest("compiler/testData/diagnostics/tests/typealias/functionTypeInTypeAlias.kt");
             }
 
+            @Test
+            @TestMetadata("functionalTypeWithParameterNameVisibility.kt")
+            public void testFunctionalTypeWithParameterNameVisibility() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/typealias/functionalTypeWithParameterNameVisibility.kt");
+            }
+
             @Test
             @TestMetadata("genericTypeAliasConstructor.kt")
             public void testGenericTypeAliasConstructor() throws Exception {

compiler/testData/diagnostics/tests/typealias/functionalTypeWithParameterNameVisibility.fir.kt

@@ -0,0 +1,3 @@
+typealias TA<X, Y> = (x: X) -> Y
+abstract class Base<X, Y> : TA<X, Y>
+<!ABSTRACT_MEMBER_NOT_IMPLEMENTED!>class Impl<!> : Base<Any, Any>()

compiler/testData/diagnostics/tests/typealias/functionalTypeWithParameterNameVisibility.kt

@@ -0,0 +1,3 @@
+typealias TA<X, Y> = (x: X) -> Y
+abstract class Base<X, Y> : TA<X, Y>
+<!ABSTRACT_CLASS_MEMBER_NOT_IMPLEMENTED!>class Impl<!> : Base<Any, Any>()

compiler/testData/diagnostics/tests/typealias/functionalTypeWithParameterNameVisibility.txt

@@ -0,0 +1,19 @@
+package
+
+public abstract class Base</*0*/ X, /*1*/ Y> : TA<X, Y> /* = (x: X) -> Y */ {
+    public constructor Base</*0*/ X, /*1*/ Y>()
+    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 abstract override /*1*/ /*fake_override*/ fun invoke(/*0*/ x: X): Y
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public final class Impl : Base<kotlin.Any, kotlin.Any> {
+    public constructor Impl()
+    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 abstract override /*1*/ /*fake_override*/ fun invoke(/*0*/ x: kotlin.Any): kotlin.Any
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+public typealias TA</*0*/ X, /*1*/ Y> = (x: X) -> Y
+

compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/DiagnosticTestGenerated.java

@@ -31650,6 +31650,12 @@ public class DiagnosticTestGenerated extends AbstractDiagnosticTest {
                 runTest("compiler/testData/diagnostics/tests/typealias/functionTypeInTypeAlias.kt");
             }
 
+            @Test
+            @TestMetadata("functionalTypeWithParameterNameVisibility.kt")
+            public void testFunctionalTypeWithParameterNameVisibility() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/typealias/functionalTypeWithParameterNameVisibility.kt");
+            }
+
             @Test
             @TestMetadata("genericTypeAliasConstructor.kt")
             public void testGenericTypeAliasConstructor() throws Exception {

core/descriptors/src/org/jetbrains/kotlin/builtins/functions/FunctionInvokeDescriptor.kt

@@ -85,6 +85,9 @@ class FunctionInvokeDescriptor private constructor(
     private fun replaceParameterNames(parameterNames: List<Name?>): FunctionDescriptor {
         val indexShift = valueParameters.size - parameterNames.size
         assert(indexShift == 0 || indexShift == 1) // indexShift == 1 for extension function type
+        if (indexShift == 0 && parameterNames.zip(valueParameters).all { (name, parameter) -> name == parameter.name }) {
+            return this
+        }
 
         val newValueParameters = valueParameters.map {
             var newName = it.name