File: Wlogical-not-parentheses-1.c

package info (click to toggle)
gcc-arm-none-eabi 15%3A12.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 959,712 kB
  • sloc: cpp: 3,275,382; ansic: 2,061,766; ada: 840,956; f90: 208,513; makefile: 76,132; asm: 73,433; xml: 50,448; exp: 34,146; sh: 32,436; objc: 15,637; fortran: 14,012; python: 11,991; pascal: 6,787; awk: 4,779; perl: 3,054; yacc: 338; ml: 285; lex: 201; haskell: 122
file content (26 lines) | stat: -rw-r--r-- 746 bytes parent folder | download | duplicates (6)
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
/* PR c/77292 */
/* { dg-do compile } */
/* { dg-options "-Wlogical-not-parentheses" } */

 /* Test that we don't warn if rhs is a comparison or a logical op.  */

int
foo (int a, int b)
{
  int r = 0;
  r += !a == (a < b);
  r += !a == (a > b);
  r += !a == (a >= b);
  r += !a == (a <= b);
  r += !a == (a != b);
  r += !a == (a == b);
  r += !a == (a || b);
  r += !a == (a && b);
  r += !a == (!b);

  r += !a == (a ^ b); /* { dg-warning "logical not is only applied to the left hand side of comparison" } */
  r += !a == (a | b); /* { dg-warning "logical not is only applied to the left hand side of comparison" } */
  r += !a == (a & b); /* { dg-warning "logical not is only applied to the left hand side of comparison" } */

  return r;
}