Function markupval

3rd/lua-5.4.3/src/lparser.c:410–416

** Mark block where variable at given level was defined ** (to emit close instructions later). */

** (to emit close instructions later).
*/
static void markupval (FuncState *fs, int level) {
  BlockCnt *bl = fs->bl;
  while (bl->nactvar > level)
    bl = bl->previous;
  bl->upval = 1;
  fs->needclose = 1;
}


/*