[FIR] Reproduce KT-65584

The diagnostic target source element
type was changed to prevent crash due
to `checkPsiTypeConsistency()` in
`duplicateParameterNameSimplified.fir.kt`

^KT-65584

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/diagnostics/KtFirDiagnostics.kt

@@ -333,7 +333,7 @@ sealed interface KtFirDiagnostic<PSI : PsiElement> : KtDiagnosticWithPsi<PSI> {
         val reference: String
     }
 
-    interface DuplicateParameterNameInFunctionType : KtFirDiagnostic<KtTypeReference> {
+    interface DuplicateParameterNameInFunctionType : KtFirDiagnostic<PsiElement> {
         override val diagnosticClass get() = DuplicateParameterNameInFunctionType::class
     }
 

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/diagnostics/KtFirDiagnosticsImpl.kt

@@ -386,7 +386,7 @@ internal class UnresolvedImportImpl(
 internal class DuplicateParameterNameInFunctionTypeImpl(
     firDiagnostic: KtPsiDiagnostic,
     token: KtLifetimeToken,
-) : KtAbstractFirDiagnostic<KtTypeReference>(firDiagnostic, token), KtFirDiagnostic.DuplicateParameterNameInFunctionType
+) : KtAbstractFirDiagnostic<PsiElement>(firDiagnostic, token), KtFirDiagnostic.DuplicateParameterNameInFunctionType
 
 internal class MissingDependencyClassImpl(
     override val type: KtType,