[FE] Fix exception from the 'UnusedChecker' on a destructuring

^KT-55973 Fixed
2023-01-17 05:03:01 +09:00
parent 84baee1ef1
commit 9873fe84f2
6 changed files with 36 additions and 1 deletions
@@ -79,7 +79,12 @@ object UnusedChecker : AbstractFirPropertyInitializationChecker() {
                variableSymbol.lazyResolveToPhase(FirResolvePhase.BODY_RESOLVE)
                @OptIn(SymbolInternals::class)
                val variable = variableSymbol.fir
-                val variableSource = variable.source.takeIf { it?.elementType != KtNodeTypes.DESTRUCTURING_DECLARATION }
+                val variableSource = variable.source
+
+                if (variableSource?.elementType == KtNodeTypes.DESTRUCTURING_DECLARATION) {
+                    continue
+                }
+
                when {
                    data == VariableStatus.UNUSED -> {
                        when {