clang/test/SemaCXX/warn-unsafe-buffer-usage-test-unreachable.cpp

// RUN: %clang_cc1 -std=c++20 -Wunsafe-buffer-usage -fsafe-buffer-usage-suggestions -verify %s

// expected-no-diagnostics

typedef unsigned __darwin_size_t;
typedef __darwin_size_t size_t;
 #define bzero(s, n) __builtin_bzero(s, n)
void __nosan_bzero(void *dst, size_t sz) { bzero(dst, sz); }