diff --git a/compiler/res/version.txt b/compiler/res/version.txt
index 1f250bde9..22ec1e649 100644
--- a/compiler/res/version.txt
+++ b/compiler/res/version.txt
@@ -1 +1 @@
-8.10-dev
+8.10
diff --git a/compiler/src/prog8/compiler/astprocessing/NotExpressionAndIfComparisonExprChanger.kt b/compiler/src/prog8/compiler/astprocessing/NotExpressionAndIfComparisonExprChanger.kt
index bff62d575..d133fd0cc 100644
--- a/compiler/src/prog8/compiler/astprocessing/NotExpressionAndIfComparisonExprChanger.kt
+++ b/compiler/src/prog8/compiler/astprocessing/NotExpressionAndIfComparisonExprChanger.kt
@@ -153,17 +153,6 @@ internal class NotExpressionAndIfComparisonExprChanger(val program: Program, val
         if(compTarget.name == VMTarget.NAME)  // don't apply this optimization for Vm target
             return CondExprSimplificationResult(null, null, null, null)
 
-        var leftAssignment: Assignment? = null
-        var leftOperandReplacement: Expression? = null
-        var rightAssignment: Assignment? = null
-        var rightOperandReplacement: Expression? = null
-
-        val separateLeftExpr = !expr.left.isSimple
-                && expr.left !is IFunctionCall
-                && expr.left !is ContainmentCheck
-        val separateRightExpr = !expr.right.isSimple
-                && expr.right !is IFunctionCall
-                && expr.right !is ContainmentCheck
         val leftDt = expr.left.inferType(program)
         val rightDt = expr.right.inferType(program)
 
@@ -172,6 +161,17 @@ internal class NotExpressionAndIfComparisonExprChanger(val program: Program, val
             return CondExprSimplificationResult(null, null, null, null)
         }
 
+        var leftAssignment: Assignment? = null
+        var leftOperandReplacement: Expression? = null
+        var rightAssignment: Assignment? = null
+        var rightOperandReplacement: Expression? = null
+        val separateLeftExpr = !expr.left.isSimple
+                && expr.left !is IFunctionCall
+                && expr.left !is ContainmentCheck
+        val separateRightExpr = !expr.right.isSimple
+                && expr.right !is IFunctionCall
+                && expr.right !is ContainmentCheck
+
         if(separateLeftExpr) {
             val name = getTempRegisterName(leftDt)
             leftOperandReplacement = IdentifierReference(name, expr.position)