modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/991019-1.c (about)

     1  typedef struct {
     2       double epsilon;
     3  } material_type;
     4  
     5  material_type foo(double x)
     6  {
     7       material_type m;
     8  
     9       m.epsilon = 1.0 + x;
    10       return m;
    11  }
    12  
    13  main()
    14  {
    15    int i;
    16    material_type x;
    17  
    18    /* We must iterate enough times to overflow the FP stack on the
    19       x86.  */
    20    for (i = 0; i < 10; i++)
    21      {
    22        x = foo (1.0);
    23        if (x.epsilon != 1.0 + 1.0)
    24  	abort ();
    25      }
    26  
    27    exit (0);
    28  }