re PR java/29587 (jc1: out of memory allocating 4072 bytes after a total of 708630224 bytes)

2006-11-12  Daniel Berlin  <dberlin@dberlin.org>

	Fix PR tree-optimization/29587
	* tree-ssa-structalias.c (process_constraint): Don't
	mark address taken due only to escaped vars constraint.

From-SVN: r118742

gcc/ChangeLog

+2006-11-12  Daniel Berlin  <dberlin@dberlin.org>
+
+	Fix PR tree-optimization/29587
+	* tree-ssa-structalias.c (process_constraint): Don't
+	mark address taken due only to escaped vars constraint.
+
 2006-11-12  Michael Matz  <matz@suse.de>
 	    Roger Sayle  <roger@eyesopen.com>
 

gcc/tree-ssa-structalias.c

@@ -2327,8 +2327,11 @@ process_constraint (constraint_t t)
       varinfo_t vi;
       gcc_assert (rhs.offset == 0);
       
-      for (vi = get_varinfo (rhs.var); vi != NULL; vi = vi->next)
-	vi->address_taken = true;
+      /* No need to mark address taken simply because of escaped vars
+	 constraints.  */
+      if (lhs.var != escaped_vars_id)
+	for (vi = get_varinfo (rhs.var); vi != NULL; vi = vi->next)
+	  vi->address_taken = true;
 
       VEC_safe_push (constraint_t, heap, constraints, t);
     }