modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/ieee/pr72824.c (about)

     1  /* PR tree-optimization/72824 */
     2  
     3  static inline void
     4  foo (float *x, float value)
     5  {
     6    int i;
     7    for (i = 0; i < 32; ++i)
     8      x[i] = value;
     9  }
    10  
    11  int
    12  main ()
    13  {
    14    float x[32];
    15    foo (x, -0.f);
    16    if (__builtin_copysignf (1.0, x[3]) != -1.0f)
    17      __builtin_abort ();
    18    return 0;
    19  }