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Don't allow initializers of the form { .a = .b = expr } as this is not 

valid. Helps a bit with PR 22500.
This commit is contained in:
dholland 2016-07-31 22:38:04 +00:00
parent 096da17405
commit cf12c76a8b
1 changed files with 11 additions and 8 deletions
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19
usr.bin/xlint/lint1/cgram.y
View File

@ -1,5 +1,5 @@
%{
/* $NetBSD: cgram.y,v 1.78 2016/07/20 18:14:12 christos Exp $ */
/* $NetBSD: cgram.y,v 1.79 2016/07/31 22:38:04 dholland Exp $ */
/*
* Copyright (c) 1996 Christopher G. Demetriou. All Rights Reserved.
@ -35,7 +35,7 @@
#include <sys/cdefs.h>
#if defined(__RCSID) && !defined(lint)
__RCSID("$NetBSD: cgram.y,v 1.78 2016/07/20 18:14:12 christos Exp $");
__RCSID("$NetBSD: cgram.y,v 1.79 2016/07/31 22:38:04 dholland Exp $");
#endif
#include <stdlib.h>
@ -1233,14 +1233,17 @@ opt_asm_or_symbolrename: /* expect only one */
;
initializer:
init_expr
init_assign_expr
;
init_expr:
| expr %prec T_COMMA {
init_assign_expr:
| init_by_name init_base_expr %prec T_COMMA
| init_base_expr
init_base_expr:
expr %prec T_COMMA {
mkinit($1);
}
| init_by_name init_expr %prec T_COMMA
| init_lbrace init_rbrace
| init_lbrace init_expr_list init_rbrace
| init_lbrace init_expr_list T_COMMA init_rbrace
@ -1248,8 +1251,8 @@ init_expr:
;
init_expr_list:
init_expr %prec T_COMMA
| init_expr_list T_COMMA init_expr
init_assign_expr %prec T_COMMA
| init_expr_list T_COMMA init_assign_expr
;
lorange: