[FIR2IR] Use deepest matching symbol on fake override calls

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/ConversionUtils.kt

@@ -108,9 +108,7 @@ fun FirReference.toSymbol(
         is FirResolvedNamedReference -> {
             when (val resolvedSymbol = resolvedSymbol) {
                 is FirCallableSymbol<*> -> {
-                    val originalCallableSymbol =
-                        resolvedSymbol.overriddenSymbol?.takeIf { it.callableId == resolvedSymbol.callableId } ?: resolvedSymbol
-                    originalCallableSymbol.toSymbol(declarationStorage, preferGetter)
+                    resolvedSymbol.deepestMatchingOverriddenSymbol().toSymbol(declarationStorage, preferGetter)
                 }
                 is FirClassifierSymbol<*> -> {
                     resolvedSymbol.toSymbol(session, classifierStorage)
@@ -249,6 +247,11 @@ internal tailrec fun FirCallableSymbol<*>.deepestOverriddenSymbol(): FirCallable
     return overriddenSymbol.deepestOverriddenSymbol()
 }
 
+internal tailrec fun FirCallableSymbol<*>.deepestMatchingOverriddenSymbol(root: FirCallableSymbol<*> = this): FirCallableSymbol<*> {
+    val overriddenSymbol = overriddenSymbol?.takeIf { it.callableId == root.callableId } ?: return this
+    return overriddenSymbol.deepestMatchingOverriddenSymbol(this)
+}
+
 private val nameToOperationConventionOrigin = mutableMapOf(
     OperatorNameConventions.PLUS to IrStatementOrigin.PLUS,
     OperatorNameConventions.MINUS to IrStatementOrigin.MINUS,