Fix test-suite fallout of default -Wreturn-type.
[official-gcc.git] / gcc / testsuite / g++.dg / torture / 20141013.C
blobe6c83ffab2184bd0bcc0d42aa2dae22f021cdf63
1 /* { dg-options "-fno-short-enums" } */
2 /* { dg-additional-options "-Wno-return-type" } */
3 enum
5   _sch_isdigit = 0x0004,
6   _sch_ispunct = 0x0020,
7   _sch_isxdigit = 0x0100,
8   _sch_isidst = 0x0200,
9   _sch_isvsp = 0x0400,
10   _sch_isnvsp = 0x0800,
11   _sch_isalnum = _sch_isidst | _sch_isdigit,
12   _sch_iscppsp = _sch_isvsp | _sch_isnvsp,
14 extern const unsigned short _sch_istable[256];
15 typedef union tree_node *tree;
16 typedef const union tree_node *const_tree;
17 enum opt_code
19   OPT_Warray_bounds = 240,
20   OPT_Wformat_ = 245,
21   OPT_Wintf_annotation = 368,
22   OPT_std_gnu__14 = 1311,
24 enum tree_code
26   TREE_LIST,
27   CONST_DECL,
28   ADDR_EXPR,
29   MAX_TREE_CODES
31 enum tree_code_class
33   tcc_type,
35 enum tree_node_structure_enum
37   TS_TYPED,
38   TS_COMMON,
40 enum integer_type_kind
42   itk_char,
43   itk_none
45 struct tree_base
47   enum tree_code code:16;
49 struct tree_typed
51   tree type;
53 struct tree_common
55   tree chain;
57 struct tree_list
59   tree purpose;
61 struct tree_type_common
63   tree main_variant;
65 union tree_node
67   struct tree_base base;
68   struct tree_typed typed;
69   struct tree_common common;
70   struct tree_type_common type_common;
71   struct tree_list list;
73 extern unsigned char tree_contains_struct[MAX_TREE_CODES][64];
74 extern tree integer_types[itk_none];
75 extern void tree_contains_struct_check_failed (const_tree,
76                                                tree_node_structure_enum,
77                                                const char *, int,
78                                                const char *)
79   __attribute__ ((__noreturn__));
80 inline tree
81 tree_check (tree __t, const char *__f, int __l, const char *__g,
82             tree_code __c)
86 inline const_tree
87 contains_struct_check (const_tree __t,
88                        const enum tree_node_structure_enum __s,
89                        const char *__f, int __l, const char *__g)
91   if (tree_contains_struct[((enum tree_code) (__t)->base.code)][__s] != 1)
92     tree_contains_struct_check_failed (__t, __s, __f, __l, __g);
95 inline const_tree
96 tree_class_check (const_tree __t, const enum tree_code_class __class,
97                   const char *__f, int __l, const char *__g)
101 static inline bool
102 is_attribute_p (const char *attr_name, const_tree ident)
106 extern int integer_zerop (const_tree);
107 extern bool warning (int, const char *, ...)
108   __attribute__ ((__nonnull__ (2)));
109 extern void
110 check_function_arguments_recurse (void (*)(void *, tree, unsigned long long),
111                                   void *, tree, unsigned long long);
112 extern bool objc_string_ref_type_p (tree);
113 enum
115   FMT_FLAG_SCANF_A_KLUDGE = 2,
116   FMT_FLAG_PARSE_ARG_CONVERT_EXTERNAL = 256
118 typedef struct
121 format_flag_spec;
122 typedef struct
124   int flags;
125   tree *width_type;
127 format_kind_info;
128 typedef struct alloc_pool_list_def
131  *alloc_pool;
132 struct gcc_targetcm
134   bool (*string_object_ref_type_p) (const_tree stringref);
137 extern struct gcc_targetcm targetcm;
138 enum format_type
140   gcc_objc_string_format_type,
142 typedef struct function_format_info
144   int format_type;
146 function_format_info;
147 static const format_kind_info format_types_orig[] = { };
148 struct format_check_context { };
150 static const format_kind_info *format_types = format_types_orig;
151 static void check_format_info (function_format_info *, tree);
152 void check_format_arg (void *, tree, unsigned long long);
154 void
155 check_function_format (tree attrs, int nargs, tree * argarray)
157   tree a;
158   for (a = attrs;
159        a;
160        ((contains_struct_check
161          ((a), (TS_COMMON), "../../git-master/gcc/c-family/c-format.c", 1002,
162           __FUNCTION__))->common.chain))
163     {
164       if (is_attribute_p
165           ("format",
166            ((tree_check
167              ((a), "../../git-master/gcc/c-family/c-format.c", 1004,
168               __FUNCTION__, (TREE_LIST)))->list.purpose)))
169         {
170           function_format_info info;
171           {
172             tree params = (tree) __null;
173             check_format_info (&info, params);
174           }
175         }
176     }
179 static bool
180 avoid_dollar_number (const char *format)
182   while ((_sch_istable[(*format) & 0xff] & (unsigned short) (_sch_isdigit)))
183     format++;
184   if (*format == '$')
185     {
186       warning (OPT_Wformat_,
187                "$ operand number used after format without operand number");
188     }
191 static void
192 check_format_info (function_format_info * info, tree params)
194   format_check_context format_ctx;
195   unsigned long long arg_num;
196   tree format_tree;
197   check_function_arguments_recurse (check_format_arg, &format_ctx,
198                                     format_tree, arg_num);
199   const char *format_chars;
200   if (integer_zerop (format_tree))
201     {
202       {
203         ((contains_struct_check
204           ((params), (TS_COMMON),
205            "../../git-master/gcc/c-family/c-format.c", 1444,
206            __FUNCTION__))->common.chain);
207       }
208       return;
209     }
210   if (((enum tree_code) (format_tree)->base.code) != ADDR_EXPR)
211     {
212       return;
213     }
214   if (format_types[info->format_type].flags & (int)
215       FMT_FLAG_PARSE_ARG_CONVERT_EXTERNAL)
216     {
217       bool objc_str = (info->format_type == gcc_objc_string_format_type);
218       if (((enum tree_code) (format_tree)->base.code) != CONST_DECL
219           ||
220           !((objc_str
221              &&
222              objc_string_ref_type_p (((contains_struct_check
223                                        ((format_tree), (TS_TYPED),
224                                         "../../git-master/gcc/c-family/c-format.c",
225                                         1498, __FUNCTION__))->typed.type)))
226             ||
227             (*targetcm.string_object_ref_type_p) ((const_tree)
228                                                   ((contains_struct_check
229                                                     ((format_tree),
230                                                      (TS_TYPED),
231                                                      "../../git-master/gcc/c-family/c-format.c",
232                                                      1500,
233                                                      __FUNCTION__))->typed.
234                                                    type))))
235         {
236         }
237     }
238   {
239   }
240   if (((tree_class_check
241         ((((contains_struct_check
242             ((((contains_struct_check
243                 ((format_tree), (TS_TYPED),
244                  "../../git-master/gcc/c-family/c-format.c", 1549,
245                  __FUNCTION__))->typed.type)), (TS_TYPED),
246              "../../git-master/gcc/c-family/c-format.c", 1549,
247              __FUNCTION__))->typed.type)), (tcc_type),
248          "../../git-master/gcc/c-family/c-format.c", 1549,
249          __FUNCTION__))->type_common.main_variant) != integer_types[itk_char])
250     {
251       return;
252     }
253   {
254   }
255   const format_kind_info *fki = &format_types[info->format_type];
256   while (*format_chars != 0)
257     {
258       {
259         if (fki->width_type != __null && *format_chars == '*')
260           {
261             {
262               if (avoid_dollar_number (format_chars))
263                 if (avoid_dollar_number (format_chars))
264                   return;
265             }
266           }
267       }
268     }