view gcc/testsuite/gcc.dg/pr83609.c @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 84e7813d76e9
children
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/* PR middle-end/83609 */
/* { dg-do run } */
/* { dg-options "-O2 -fno-tree-forwprop -fno-tree-ccp -fno-tree-fre -fno-tree-pre -fno-code-hoisting" } */

#if __SIZEOF_LONG_LONG__ == 2 * __SIZEOF_FLOAT__
_Complex float
foo (void)
{
  _Complex float c;
  *((unsigned long long *)&c) = 0x123456789abcdef0ULL;
  return c;
}

int
main ()
{
  union { _Complex float c; unsigned long long l; } u;
  u.c = foo ();
  if (u.l != 0x123456789abcdef0ULL)
    __builtin_abort ();
  return 0;
}
#else
int
main ()
{
  return 0;
}
#endif