lsym_rbrace
case lsym_rbrace: process_rbrace(); break;
if (lsym == lsym_semicolon && ps.prev_lsym == lsym_rbrace)
if (lsym == lsym_rbrace && !ps.in_decl)
|| ps.prev_lsym == lsym_rbrace) {
case '}': lsym = lsym_rbrace; next_unary = true; break;