2004-12-22  Daniel Berlin  <dberlin@dberlin.org>
	
	* tree.h (DECL_PTA_ALIASVAR): Dead.
	(struct tree_decl): Remove alias_var field.

Index: tree.h
===================================================================
RCS file: /cvs/gcc/gcc/gcc/tree.h,v
retrieving revision 1.669
diff -u -p -r1.669 tree.h
--- tree.h	21 Dec 2004 17:43:11 -0000	1.669
+++ tree.h	22 Dec 2004 13:32:59 -0000
@@ -2251,9 +2255,6 @@ struct tree_binfo GTY (())
 #define DECL_POINTER_ALIAS_SET(NODE) \
   (DECL_CHECK (NODE)->decl.pointer_alias_set)
 
-/* Used to store the alias_var for a DECL node.  */
-#define DECL_PTA_ALIASVAR(NODE) \
-  (DECL_CHECK (NODE)->decl.alias_var)
 
 /* A numeric unique identifier for a LABEL_DECL.  The UID allocation is
    dense, unique within any one function, and may be used to index arrays.
@@ -2299,7 +2300,6 @@ enum symbol_visibility
 #endif
 
 struct function;
-union alias_var_def;
 struct tree_decl GTY(())
 {
   struct tree_common common;
@@ -2406,7 +2406,6 @@ struct tree_decl GTY(())
 
   tree vindex;
   HOST_WIDE_INT pointer_alias_set;
-  union alias_var_def *GTY ((skip(""))) alias_var;
   /* Points to a structure whose details depend on the language in use.  */
   struct lang_decl *lang_specific;
 };