File: Warray-compare-2.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 (44 lines) | stat: -rw-r--r-- 1,210 bytes parent folder | download | duplicates (2)
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
/* PR c++/97573 */
/* { dg-do compile } */
/* { dg-options "-Wall -Wno-array-compare" } */

#ifndef __cplusplus
# define bool _Bool
#endif

int arr1[5];
int arr2[5];
int arr3[2][2];
int arr4[2][2];

bool
g ()
{
  bool b = arr1 == arr2; /* { dg-bogus "comparison between two arrays" } */
  b &= arr1 != arr2; /* { dg-bogus "comparison between two arrays" } */
  b &= arr1 > arr2; /* { dg-bogus "comparison between two arrays" } */
  b &= arr1 >= arr2; /* { dg-bogus "comparison between two arrays" } */
  b &= arr1 < arr2; /* { dg-bogus "comparison between two arrays" } */
  b &= arr1 <= arr2; /* { dg-bogus "comparison between two arrays" } */
#ifdef __cplusplus
  b &= +arr1 == +arr2;
  b &= +arr1 != +arr2;
  b &= +arr1 > +arr2;
  b &= +arr1 >= +arr2;
  b &= +arr1 < +arr2;
  b &= +arr1 <= +arr2;
#endif
  b &= &arr1[0] == &arr2[0];
  b &= &arr1[0] != &arr2[0];
  b &= &arr1[0] > &arr2[0];
  b &= &arr1[0] >= &arr2[0];
  b &= &arr1[0] < &arr2[0];
  b &= &arr1[0] <= &arr2[0];

  b &= arr3 == arr4; /* { dg-bogus "comparison between two arrays" } */

#if defined(__cplusplus) && __cplusplus > 201703L
  auto cmp = arr1 <=> arr2; /* { dg-error "invalid operands" "" { target c++20 } } */
#endif
  return b;
}