Fix errors due to no loops

assembler.c

@@ -120,12 +120,15 @@ void asm_translate_nodes(buffer_t **asm_buffer, struct PResult nodes,
                          const char *src_name)
 {
   // First pass: Setup the ASM label array
-  struct Label labels[nodes.labels * 2];
+  struct Label labels[nodes.labels ? nodes.labels * 2 : 1];
+  if (nodes.labels)
+  {
     u64 label_ptr = 0;
     for (size_t i = 0; i < nodes.size; ++i)
       if (nodes.nodes[i].type == LIN || nodes.nodes[i].type == LOUT)
         labels[label_ptr++] =
             (struct Label){.cur = i, .next = nodes.nodes[i].loop_ref};
+  }
 
   // Second pass: Translating to assembly
   for (size_t i = 0; i < nodes.size; ++i)

parser.c

@@ -121,9 +121,11 @@ struct PResult parse_buffer(buffer_t *buffer)
   }
 
   // Third pass: setup loop references
+  size_t stackptr = 0;
+  if (loops)
+  {
     node_t *stack[loops];
     memset(stack, 0, loops);
-  size_t stackptr = 0;
     for (size_t i = 0; i < usable; ++i)
     {
       node_t *node = nodes + i;
@@ -143,6 +145,7 @@ struct PResult parse_buffer(buffer_t *buffer)
         stack[stackptr]->loop_ref = i;
       }
     }
+  }
 
   if (stackptr > 0)
   {