gcc/testsuite/gcc.target/i386/pr46226.c

   1 /* { dg-do run } */
   2 /* { dg-options "-Os -fomit-frame-pointer -fno-asynchronous-unwind-tables" } */
   3 /* { dg-additional-options "-mno-accumulate-outgoing-args" { target { ! { *-*-mingw* *-*-cygwin* } } } } */
   4
   5 extern void abort(void);
   6
   7 static void *p[2];
   8
   9 void __attribute__((noinline))
  10 g(int x, ...)
  11 {
  12   asm volatile ("" : : "g"(x));
  13 }
  14
  15 void __attribute__((noinline))
  16 f(int x)
  17 {
  18   p[0] = __builtin_return_address (0);
  19   if (x == 0)
  20     g(0);
  21   g(1, 2, 3, 4, 5, 6, 7);
  22
  23   asm goto ("jmp %l0" : : : : label);
  24   abort ();
  25
  26  label:
  27   p[1] = __builtin_return_address (0);
  28 }
  29
  30 int main()
  31 {
  32   f(1);
  33   if (p[0] != p[1])
  34     abort ();
  35   return 0;
  36 }