pike.git/ src/ language.yacc

2008-06-12

2008-06-12 15:59:49 by Henrik Grubbström (Grubba) <grubba@grubba.org>

• 3424a62c1a388a6fd586fb1794776b3fe88fa568 (7 lines) (+5/-2) ^{[ Show | Annotate ]}
  Branch: 7.9

Fixed NULL-dereference.

Rev: src/language.yacc:1.430

2:   || This file is part of Pike. For copyright information see COPYRIGHT.   || Pike is distributed under GPL, LGPL and MPL. See the file COPYING   || for more information. - || $Id: language.yacc,v 1.429 2008/05/30 20:20:23 grubba Exp $ + || $Id: language.yacc,v 1.430 2008/06/12 15:59:49 grubba Exp $   */      %pure_parser
4514:   static void mark_lvalues_as_used(node *n)   {    while (n && n->token == F_LVALUE_LIST) { -  if (CAR(n)->token == F_ARRAY_LVALUE) { +  if (!CAR(n)) { +  /* Can happen if a variable hasn't been declared. */ +  } else if (CAR(n)->token == F_ARRAY_LVALUE) {    mark_lvalues_as_used(CAAR(n));    } else if ((CAR(n)->token == F_LOCAL) && !(CAR(n)->u.integer.b)) {    Pike_compiler->compiler_frame->variable[CAR(n)->u.integer.a].flags |=