gcc/testsuite/gcc.dg/20001012-2.c

   1 /* { dg-do run { target fpic } } */
   2 /* { dg-options "-O2 -fpic" } */
   3
   4 extern void abort (void);
   5 extern void exit (int);
   6
   7 void foo (char *x, const char *y, ...)
   8 {
   9 }
  10
  11 double bar (const char *x, long y)
  12 {
  13   return 0.0;
  14 }
  15
  16 typedef __SIZE_TYPE__ size_t;
  17 extern size_t strlen (const char *);
  18
  19 double baz (const char *x)
  20 {
  21   if (x[0] != '\0')
  22     {
  23       char y[6 + strlen (x)];
  24       foo (y, "FOO", x);
  25       return bar (y, 0);
  26     }
  27
  28   return (__extension__ ((union { unsigned __l __attribute__((__mode__(__SI__))); float __d; }) { __l: 0x3f800000UL }).__d);
  29 }
  30
  31 main ()
  32 {
  33   if (baz("") != 1.0)
  34     abort ();
  35   exit (0);
  36 }