145 struct symbol {  struct
149 	struct position pos;		/* Where this symbol was declared */  argument
150 	struct position endpos;		/* Where this symbol ends*/  argument
151 	struct ident *ident;		/* What identifier this symbol is associated with */  argument
152 	struct symbol *next_id;		/* Next semantic symbol that shares this identifier */  argument
153 	struct symbol	*replace;	/* What is this symbol shadowed by in copy-expression */  argument
156 		struct symbol	*same_symbol;  argument
160 	struct symbol_op *op;  argument
162 	union {
211 	union /* backend */ {
220 	pseudo_t pseudo;