Fix empty bytecode with blank tape in MindFreak optimize

Maumagnaguagno · Jan 7, 2024 · 265e10a · 265e10a
1 parent 7169b42
commit 265e10a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/MindFreak.rb b/MindFreak.rb
@@ -313,7 +313,7 @@ def bytecode(program)
 
   def optimize(bytecode, blank_tape = false)
     # Dead code elimination
-    bytecode.shift(bytecode[0][1]+1) if blank_tape and bytecode[0][0] == JUMP and not bytecode[1][0] == INCREMENT && bytecode[2][0] == JUMPBACK
+    bytecode.shift(bytecode[0][1]+1) if blank_tape and bytecode[0] and bytecode[0][0] == JUMP and bytecode[1][0] != INCREMENT || bytecode[2][0] != JUMPBACK
     clear = [INCREMENT, 0, nil, true]
     memory = Hash.new(0)
     i = -1