1  /* PR rtl-optimization/29841 */
       2  /* Testcase by Khem Raj <raj.khem@gmail.com> */
       3  
       4  /* { dg-do compile } */
       5  /* { dg-options "-O2" } */
       6  /* { dg-options "-O2 -march=i586" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */
       7  
       8  typedef void (*fp)(void);
       9  extern char* bar(void* a1, int a2);
      10  extern char* mar(int n);
      11  char* cptr;
      12  
      13  void foo()
      14  {
      15    cptr = mar(6);
      16    ((char *(*)(void *,int (*)(void *,unsigned char **),char**))((fp)bar))(0,0,(void*)(0)); /* { dg-warning "function called through a non-compatible type" "non-compatible type" } */
      17  }