bolt/deps/llvm-18.1.8/clang/test/Sema/assign-null.c

// RUN: %clang_cc1 -fsyntax-only -verify %s
// expected-no-diagnostics

#include <stddef.h>

typedef void (*hookfunc)(void *arg);
hookfunc hook;

void clear_hook(void) {
  hook = NULL;
}