From d01a26ec616cb4b75910a849da4d794b68a52349 Mon Sep 17 00:00:00 2001
From: Irmen de Jong <irmen@razorvine.net>
Date: Sun, 16 Apr 2023 05:23:06 +0200
Subject: [PATCH] fix occasional crash when indexing an undefined array
 variable

---
 compiler/src/prog8/compiler/astprocessing/CodeDesugarer.kt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/compiler/src/prog8/compiler/astprocessing/CodeDesugarer.kt b/compiler/src/prog8/compiler/astprocessing/CodeDesugarer.kt
index 7fa098bc1..c3ca1d53a 100644
--- a/compiler/src/prog8/compiler/astprocessing/CodeDesugarer.kt
+++ b/compiler/src/prog8/compiler/astprocessing/CodeDesugarer.kt
@@ -142,8 +142,8 @@ _after:
         val indexExpr = arrayIndexedExpression.indexer.indexExpr
         val indexerDt = indexExpr.inferType(program)
         if(indexerDt.isWords) {
-            val arrayVar = arrayIndexedExpression.arrayvar.targetVarDecl(program)!!
-            if(arrayVar.datatype==DataType.UWORD) {
+            val arrayVar = arrayIndexedExpression.arrayvar.targetVarDecl(program)
+            if(arrayVar!=null && arrayVar.datatype==DataType.UWORD) {
                 val add: Expression =
                     if(indexExpr.constValue(program)?.number==0.0)
                         arrayIndexedExpression.arrayvar.copy()