Remove symbol.id_list

It was only used to check if the symbol was already bound, and would
cause significant complication in the serialization code.

Signed-off-by: Alexey Zaytsev <alexey.zaytsev@gmail.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/symbol.h b/symbol.h
index 50fb86a..c4d7f28 100644
--- a/symbol.h
+++ b/symbol.h
@@ -110,12 +110,11 @@ extern int expand_constant_p(struct expression *expr, int cost);
 struct symbol {
 	enum type type:8;
 	enum namespace namespace:9;
-	unsigned char used:1, attr:2, enum_member:1;
+	unsigned char used:1, attr:2, enum_member:1, bound:1;
 	struct position pos;		/* Where this symbol was declared */
 	struct position endpos;		/* Where this symbol ends*/
 	struct ident *ident;		/* What identifier this symbol is associated with */
 	struct symbol *next_id;		/* Next semantic symbol that shares this identifier */
-	struct symbol **id_list;	/* Back pointer to symbol list head */
 	struct symbol	*replace;	/* What is this symbol shadowed by in copy-expression */
 	struct scope	*scope;
 	union {