c-typeck.c (lookup_field): Check if a TYPE_LANG_SPECIFIC pointer field is set…

c-typeck.c (lookup_field): Check if a TYPE_LANG_SPECIFIC pointer field is set before dereferencing it.

[gcc/ChangeLog]
2004-12-10  Ziemowit Laski  <zlaski@apple.com>

        * c-typeck.c (lookup_field): Check if a TYPE_LANG_SPECIFIC
        pointer field is set before dereferencing it.

From-SVN: r92007

gcc/ChangeLog

+2004-12-10  Ziemowit Laski  <zlaski@apple.com>
+
+	* c-typeck.c (lookup_field): Check if a TYPE_LANG_SPECIFIC
+	pointer field is set before dereferencing it.
+
 2004-12-10  Andrew Pinski  <pinskia@physics.uc.edu>
 
 	PR middle-end/18903

gcc/c-typeck.c

@@ -1377,7 +1377,7 @@ lookup_field (tree decl, tree component)
      find the element.  Otherwise, do a linear search.  TYPE_LANG_SPECIFIC
      will always be set for structures which have many elements.  */
 
-  if (TYPE_LANG_SPECIFIC (type))
+  if (TYPE_LANG_SPECIFIC (type) && TYPE_LANG_SPECIFIC (type)->s)
     {
       int bot, top, half;
       tree *field_array = &TYPE_LANG_SPECIFIC (type)->s->elts[0];