File: uninit-pred-4_a.c

package info (click to toggle)
gcc-riscv64-unknown-elf 8.3.0.2019.08%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 680,956 kB
  • sloc: ansic: 3,237,715; cpp: 896,882; ada: 772,854; f90: 144,254; asm: 68,788; makefile: 67,456; sh: 29,743; exp: 28,045; objc: 15,273; fortran: 11,885; python: 7,369; pascal: 5,375; awk: 3,725; perl: 2,872; yacc: 316; xml: 311; ml: 285; lex: 198; haskell: 122
file content (43 lines) | stat: -rw-r--r-- 666 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
 
/* { dg-do compile } */
/* { dg-options "-Wuninitialized -O2" } */

int g;
void bar();
void blah(int);
int foo (int n, int m, int r, int t)
{
  int flag = 0;
  int v;

  if (t)
    {
      if (n)
        {
          v = r;    /* init path 1 */
          flag = 1;
        }

      if (m)
        g++;
      else 
        bar();

      if (flag)  /* properly  guarded */
        blah(v); /* { dg-bogus "uninitialized" "bogus warning" } */
    }
  else
    {
      v = r+1; /* init path 2 */
      flag = 2;
    }

  if (m)
    g++;
  else 
    bar();

  if (flag)  /* properly guarded */
    blah(v); /* { dg-bogus "uninitialized" "bogus warning" } */

  return 0;
}