File: Wunused-var-4.C

package info (click to toggle)
gcc-arm-none-eabi 15%3A8-2019-q3-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 571,828 kB
  • sloc: ansic: 2,937,651; cpp: 881,644; ada: 597,189; makefile: 65,528; asm: 56,499; xml: 46,621; exp: 24,747; sh: 19,684; python: 7,256; pascal: 4,370; awk: 3,497; perl: 2,695; yacc: 316; ml: 285; f90: 234; lex: 198; objc: 194; haskell: 119
file content (50 lines) | stat: -rw-r--r-- 742 bytes parent folder | download | duplicates (10) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
 
/* { dg-do compile } */
/* { dg-options "-Wunused" } */

struct S { int e; };

int
f1 (void)
{
  int a;
  int b;
  int c;
  int d;
  S s;
  a = 1;
  b = 2;
  c = 3;
  d = 4;
  s.e = 5;
  __typeof (c) e;	// { dg-warning "set but not used" }
  __decltype (d) f;	// { dg-warning "set but not used" }
  __decltype (s.e) g;	// { dg-warning "set but not used" }
  e = 1;
  f = 1;
  g = 1;
  return sizeof (a) + __alignof__ (b);
}

template <int N>
int f2 (void)
{
  int a;
  int b;
  int c;
  int d;
  a = 1;
  b = 2;
  c = 3;
  d = 4;
  __typeof (c) e;	// { dg-warning "set but not used" }
  __decltype (d) f;	// { dg-warning "set but not used" }
  e = 1;
  f = 1;
  return sizeof (a) + __alignof__ (b);
}

void
test (void)
{
  (void) f2<0> ();
}