File: 20180131-1.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 (28 lines) | stat: -rw-r--r-- 449 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
27
28
 
/* PR rtl-optimization/84071 */
/* Reported by Wilco <wilco@gcc.gnu.org> */

extern void abort (void);

typedef union 
{
  signed short ss;
  unsigned short us;
  int x;
} U;

int f(int x, int y, int z, int a, U u) __attribute__((noclone, noinline));

int f(int x, int y, int z, int a, U u)
{
  return (u.ss <= 0) + u.us;
}

int main (void)
{
  U u = { .ss = -1 };

  if (f (0, 0, 0, 0, u) != (1 << sizeof (short) * 8))
    abort ();

  return 0;
}