modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/20000519-1.c (about)

     1  #include <stdarg.h>
     2  
     3  int
     4  bar (int a, va_list ap)
     5  {
     6    int b;
     7  
     8    do
     9      b = va_arg (ap, int);
    10    while (b > 10);
    11  
    12    return a + b;
    13  }
    14  
    15  int
    16  foo (int a, ...)
    17  {
    18    va_list ap;
    19  
    20    va_start (ap, a);
    21    return bar (a, ap);
    22  }
    23  
    24  int
    25  main ()
    26  {
    27    if (foo (1, 2, 3) != 3)
    28      abort ();
    29    return 0;
    30  }