Change the symbol access list to pseudo list

Index: sparse/flow.c
===================================================================
@@ -709,11 +709,11 @@ external_visibility:
 
 void simplify_symbol_usage(struct entrypoint *ep)
 {
-	struct symbol *sym;
+	pseudo_t pseudo;
 
-	FOR_EACH_PTR(ep->accesses, sym) {
-		simplify_one_symbol(ep, sym);
-	} END_FOR_EACH_PTR(sym);
+	FOR_EACH_PTR(ep->accesses, pseudo) {
+		simplify_one_symbol(ep, pseudo->sym);
+	} END_FOR_EACH_PTR(pseudo);
 }
 
 static void mark_bb_reachable(struct basic_block *bb, unsigned long generation)

Index: sparse/linearize.h
===================================================================
@@ -294,7 +294,7 @@ static inline void replace_bb_in_list(st
 struct entrypoint {
 	struct symbol *name;
 	struct symbol_list *syms;
-	struct symbol_list *accesses;
+	struct pseudo_list *accesses;
 	struct basic_block_list *bbs;
 	struct basic_block *active;
 	struct instruction *entry;

Index: sparse/linearize.c
===================================================================
@@ -735,11 +735,11 @@ pseudo_t alloc_pseudo(struct instruction
 
 static void clear_symbol_pseudos(struct entrypoint *ep)
 {
-	struct symbol *sym;
+	pseudo_t pseudo;
 
-	FOR_EACH_PTR(ep->accesses, sym) {
-		sym->pseudo = NULL;
-	} END_FOR_EACH_PTR(sym);
+	FOR_EACH_PTR(ep->accesses, pseudo) {
+		pseudo->sym->pseudo = NULL;
+	} END_FOR_EACH_PTR(pseudo);
 }
 
 static pseudo_t symbol_pseudo(struct entrypoint *ep, struct symbol *sym)

@@ -757,7 +757,7 @@ static pseudo_t symbol_pseudo(struct ent
 		pseudo->sym = sym;
 		pseudo->ident = sym->ident;
 		sym->pseudo = pseudo;
-		add_symbol(&ep->accesses, sym);
+		add_pseudo(&ep->accesses, pseudo);
 	}
 	/* Symbol pseudos have neither nr, usage nor def */
 	return pseudo;