Function whitelist

3rd/lua-5.4.3/src/lgc.c:1129–1133

** Traverse a list making all its elements white and clearing their ** age. In incremental mode, all objects are 'new' all the time, ** except for fixed strings (which are always old). */

** except for fixed strings (which are always old).
*/
static void whitelist (global_State *g, GCObject *p) {
  int white = luaC_white(g);
  for (; p != NULL; p = p->next)
    p->marked = cast_byte((p->marked & ~maskgcbits) | white);
}


/*