gcc/testsuite/gcc.dg/invalid-call-1.c

   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 }