diff --git a/compiler/src/prog8/ast/processing/AstChecker.kt b/compiler/src/prog8/ast/processing/AstChecker.kt
index 1dca4ba5e..ac314a032 100644
--- a/compiler/src/prog8/ast/processing/AstChecker.kt
+++ b/compiler/src/prog8/ast/processing/AstChecker.kt
@@ -1066,6 +1066,8 @@ internal class AstChecker(private val program: Program,
 
             if(stmt is Return && index < statements.lastIndex)
                 errors.warn("unreachable code, return statement above", statements[index+1].position)
+
+            stmt.accept(this)
         }
     }
 
diff --git a/examples/lines-circles.p8 b/examples/lines-circles.p8
index 1baff3981..2a825aa3b 100644
--- a/examples/lines-circles.p8
+++ b/examples/lines-circles.p8
@@ -24,8 +24,6 @@ main {
         line(20, 4, 10, 24)
         line(39, 16, 12, 0)
 
-            ; TODO fix crash arg type incompatible c64scr.setcc(x0, y0 + radius, 81, 1)
-
         sub line(ubyte x1, ubyte y1, ubyte x2, ubyte y2) {
             byte d = 0
             ubyte dx = abs(x2 - x1)
diff --git a/examples/test.p8 b/examples/test.p8
index bba8d407a..cec9d29d2 100644
--- a/examples/test.p8
+++ b/examples/test.p8
@@ -1,17 +1,9 @@
+%import c64utils
 %zeropage basicsafe
 
 main {
 
     sub start() {
-        if A>Y {
-            label1:
-            Y=0
-            goto label1
-        } else {
-            label2:
-            Y=1
-            goto label2
-        }
 
         c64scr.print("spstart:")
         print_stackpointer()