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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [g++.dg/] [warn/] [Wunused-var-5.C] - Blame information for rev 801

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// { dg-do compile }
// { dg-options "-Wunused" }
 
template 
void
f1 (void)
{
  int a;        // { dg-warning "set but not used" }
  int b;
  int c;
  c = 1;
  a = b = c;
}
 
template 
void
f2 (int x)
{
  int a;        // { dg-warning "set but not used" }
  int b;
  int c;        // { dg-warning "set but not used" }
  c = (a = x, b = x);
}
 
template 
int
f3 (int x)
{
  int a;
  return a = x;
}
 
template 
int
f4 (int x)
{
  int a;
  a = x;
  return a;
}
 
template 
void
f5 (int x)
{
  int a[2];     // { dg-warning "set but not used" }
  int b;
  int *c, d[2];
  c = d;
  b = x;
  a[b] = 1;
  c[b] = 1;
}
 
template 
int
f6 (int x)
{
  int a[2];
  int b;
  b = x;
  a[b] = 1;
  return a[b];
}
 
template 
void
f7 (int x, int *p)
{
  int *a[2];
  a[x] = p;
  a[x][x] = x;
}
 
struct S { int i; };
 
template 
void
f8 (void)
{
  struct S s;   // { dg-warning "set but not used" }
  s.i = 6;
}
 
template 
int
f9 (void)
{
  struct S s;
  s.i = 6;
  return s.i;
}
 
template 
struct S
f10 (void)
{
  struct S s;
  s.i = 6;
  return s;
}
 
extern int foo11 (int *);
 
template 
void
f11 (void)
{
  int a[2];
  foo11 (a);
}
 
template 
void
f12 (void)
{
  int a;
  a = 1;
  a;    // { dg-warning "statement has no effect" }
}
 
template 
void
f13 (void (*x) (void))
{
  void (*a) (void);
  a = x;
  a ();
}
 
template 
void
f14 (void (*x) (void))
{
  void (*a) (void);     // { dg-warning "set but not used" }
  a = x;
}
 
extern void foo15 (int *);
 
template 
void
f15 (void)
{
  int a[10];
  int *b = a + 2;
  foo15 (b);
}
 
extern void foo16 (int **);
 
template 
void
f16 (void)
{
  int a[10];
  int *b[] = { a, a + 2 };
  foo16 (b);
}
 
template 
void
f17 (int x)
{
  long a;       // { dg-warning "set but not used" }
  int b;
  a = b = x;
}
 
template 
void
f18 (int x)
{
  int a;        // { dg-warning "set but not used" }
  int b;
  a = (char) (b = x);
}
 
template 
int
f19 (int x, int y, int z)
{
  int a;
  int b;
  a = x;
  b = y;
  return z ? a : b;
}
 
template 
int *
f20 (int x)
{
  static int a[] = { 3, 4, 5, 6 };
  static int b[] = { 4, 5, 6, 7 };
  static int c[] = { 5, 6, 7, 8 };      // { dg-warning "set but not used" }
  c[1] = 1;
  return x ? a : b;
}
 
S s;
 
void
test ()
{
  int i = 0;
  f1<0> ();
  f2<0> (0);
  (void) f3<0> (0);
  (void) f4<0> (0);
  f5<0> (0);
  (void) f6<0> (0);
  f7<0> (0, &i);
  f8<0> ();
  (void) f9<0> ();
  s = f10<0> ();
  f11<0> ();
  f12<0> ();
  f13<0> (f1<0>);
  f14<0> (f1<0>);
  f15<0> ();
  f16<0> ();
  f17<0> (0);
  f18<0> (0);
  (void) f19<0> (0, 0, 0);
  (void) f20<0> (0);
}

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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [g++.dg/] [warn/] [Wunused-var-5.C] - Blame information for rev 801

Line No.	Rev	Author	Line
1	693	jeremybenn	`// { dg-do compile }`
2			`// { dg-options "-Wunused" }`
3
4			`template`
5			`void`
6			`f1 (void)`
7			`{`
8			`int a; // { dg-warning "set but not used" }`
9			`int b;`
10			`int c;`
11			`c = 1;`
12			`a = b = c;`
13			`}`
14
15			`template`
16			`void`
17			`f2 (int x)`
18			`{`
19			`int a; // { dg-warning "set but not used" }`
20			`int b;`
21			`int c; // { dg-warning "set but not used" }`
22			`c = (a = x, b = x);`
23			`}`
24
25			`template`
26			`int`
27			`f3 (int x)`
28			`{`
29			`int a;`
30			`return a = x;`
31			`}`
32
33			`template`
34			`int`
35			`f4 (int x)`
36			`{`
37			`int a;`
38			`a = x;`
39			`return a;`
40			`}`
41
42			`template`
43			`void`
44			`f5 (int x)`
45			`{`
46			`int a[2]; // { dg-warning "set but not used" }`
47			`int b;`
48			`int *c, d[2];`
49			`c = d;`
50			`b = x;`
51			`a[b] = 1;`
52			`c[b] = 1;`
53			`}`
54
55			`template`
56			`int`
57			`f6 (int x)`
58			`{`
59			`int a[2];`
60			`int b;`
61			`b = x;`
62			`a[b] = 1;`
63			`return a[b];`
64			`}`
65
66			`template`
67			`void`
68			`f7 (int x, int *p)`
69			`{`
70			`int *a[2];`
71			`a[x] = p;`
72			`a[x][x] = x;`
73			`}`
74
75			`struct S { int i; };`
76
77			`template`
78			`void`
79			`f8 (void)`
80			`{`
81			`struct S s; // { dg-warning "set but not used" }`
82			`s.i = 6;`
83			`}`
84
85			`template`
86			`int`
87			`f9 (void)`
88			`{`
89			`struct S s;`
90			`s.i = 6;`
91			`return s.i;`
92			`}`
93
94			`template`
95			`struct S`
96			`f10 (void)`
97			`{`
98			`struct S s;`
99			`s.i = 6;`
100			`return s;`
101			`}`
102
103			`extern int foo11 (int *);`
104
105			`template`
106			`void`
107			`f11 (void)`
108			`{`
109			`int a[2];`
110			`foo11 (a);`
111			`}`
112
113			`template`
114			`void`
115			`f12 (void)`
116			`{`
117			`int a;`
118			`a = 1;`
119			`a; // { dg-warning "statement has no effect" }`
120			`}`
121
122			`template`
123			`void`
124			`f13 (void (*x) (void))`
125			`{`
126			`void (*a) (void);`
127			`a = x;`
128			`a ();`
129			`}`
130
131			`template`
132			`void`
133			`f14 (void (*x) (void))`
134			`{`
135			`void (*a) (void); // { dg-warning "set but not used" }`
136			`a = x;`
137			`}`
138
139			`extern void foo15 (int *);`
140
141			`template`
142			`void`
143			`f15 (void)`
144			`{`
145			`int a[10];`
146			`int *b = a + 2;`
147			`foo15 (b);`
148			`}`
149
150			`extern void foo16 (int **);`
151
152			`template`
153			`void`
154			`f16 (void)`
155			`{`
156			`int a[10];`
157			`int *b[] = { a, a + 2 };`
158			`foo16 (b);`
159			`}`
160
161			`template`
162			`void`
163			`f17 (int x)`
164			`{`
165			`long a; // { dg-warning "set but not used" }`
166			`int b;`
167			`a = b = x;`
168			`}`
169
170			`template`
171			`void`
172			`f18 (int x)`
173			`{`
174			`int a; // { dg-warning "set but not used" }`
175			`int b;`
176			`a = (char) (b = x);`
177			`}`
178
179			`template`
180			`int`
181			`f19 (int x, int y, int z)`
182			`{`
183			`int a;`
184			`int b;`
185			`a = x;`
186			`b = y;`
187			`return z ? a : b;`
188			`}`
189
190			`template`
191			`int *`
192			`f20 (int x)`
193			`{`
194			`static int a[] = { 3, 4, 5, 6 };`
195			`static int b[] = { 4, 5, 6, 7 };`
196			`static int c[] = { 5, 6, 7, 8 }; // { dg-warning "set but not used" }`
197			`c[1] = 1;`
198			`return x ? a : b;`
199			`}`
200
201			`S s;`
202
203			`void`
204			`test ()`
205			`{`
206			`int i = 0;`
207			`f1<0> ();`
208			`f2<0> (0);`
209			`(void) f3<0> (0);`
210			`(void) f4<0> (0);`
211			`f5<0> (0);`
212			`(void) f6<0> (0);`
213			`f7<0> (0, &i);`
214			`f8<0> ();`
215			`(void) f9<0> ();`
216			`s = f10<0> ();`
217			`f11<0> ();`
218			`f12<0> ();`
219			`f13<0> (f1<0>);`
220			`f14<0> (f1<0>);`
221			`f15<0> ();`
222			`f16<0> ();`
223			`f17<0> (0);`
224			`f18<0> (0);`
225			`(void) f19<0> (0, 0, 0);`
226			`(void) f20<0> (0);`
227			`}`