clang/test/CodeGen/2009-06-01-addrofknr.c

   1 // RUN: %clang_cc1 %s -o %t -emit-llvm -verify -std=c89
   2 // PR4289
   3
   4 struct funcptr {
   5   int (*func)();
   6 };
   7
   8 static int func(f) // expected-warning {{a function definition without a prototype is deprecated in all versions of C and is not supported in C23}}
   9   void *f;
  10 {
  11   return 0;
  12 }
  13
  14 int
  15 main(int argc, char *argv[])
  16 {
  17   struct funcptr fp;
  18
  19   fp.func = &func;
  20   fp.func = func;
  21 }