Remove changes in warn-unsafe-buffer-usage-libc-functions.cpp because of irrelevance.

Author: ziqingluo-90

clang/test/SemaCXX/warn-unsafe-buffer-usage-libc-functions.cpp

@@ -4,10 +4,7 @@
 // RUN:            -verify %s -x objective-c++
 // RUN: %clang_cc1 -std=c++20 -Wno-all -Wunsafe-buffer-usage-in-libc-call \
 // RUN:            -verify %s
-// RUN: %clang_cc1 -std=c++20 -Wno-all -Wunsafe-buffer-usage \
-// RUN:            -verify -fexperimental-bounds-safety-attributes %s -DINTEROP_MODE
 
-#ifndef INTEROP_MODE
 typedef struct {} FILE;
 void memcpy();
 void __asan_memcpy();
@@ -158,47 +155,3 @@ void ff(char * p, char * q, std::span<char> s, std::span<char> s2) {
   wcscpy_s();
 #pragma clang diagnostic pop
 }
-
-#else
-
-#include <ptrcheck.h>
-typedef unsigned size_t;
-
-// expected-note@+2{{consider using a safe container and passing '.data()' to the parameter 'dst' and '.size()' to its dependent parameter 'size' or 'std::span' and passing '.first(...).data()' to the parameter 'dst'}}
-// expected-note@+1{{consider using a safe container and passing '.data()' to the parameter 'src' and '.size()' to its dependent parameter 'size' or 'std::span' and passing '.first(...).data()' to the parameter 'src'}}
-void memcpy(void * __sized_by(size) dst, const void * __sized_by(size) src, unsigned size);
-unsigned strlen( const char* __null_terminated str );
-// expected-note@+1{{consider using a safe container and passing '.data()' to the parameter 'buffer' and '.size()' to its dependent parameter 'buf_size' or 'std::span' and passing '.first(...).data()' to the parameter 'buffer'}}
-int snprintf( char* __counted_by(buf_size) buffer, unsigned buf_size, const char* format, ... );
-int snwprintf( char* __counted_by(buf_size) buffer, unsigned buf_size, const char* format, ... );
-int vsnprintf( char* __counted_by(buf_size) buffer, unsigned buf_size, const char* format, ... );
-int sprintf( char* __counted_by(10) buffer, const char* format, ... );
-
-void test(char * p, char * q, const char * str,
-	  const char * __null_terminated safe_str,
-	  char * __counted_by(n) safe_p,
-	  size_t n,
-	  char * __counted_by(10) safe_ten) {
-  memcpy(p, q, 10);                  // expected-warning2{{unsafe assignment to function parameter of count-attributed type}}
-  snprintf(p, 10, "%s", "hlo");      // expected-warning{{unsafe assignment to function parameter of count-attributed type}}
-
-  // We still warn about unsafe string pointer arguments to printfs:
-
-  snprintf(safe_p, n, "%s", str);  // expected-warning{{function 'snprintf' is unsafe}} expected-note{{string argument is not guaranteed to be null-terminated}}
-  snwprintf(safe_p, n, "%s", str); // expected-warning{{function 'snwprintf' is unsafe}} expected-note{{string argument is not guaranteed to be null-terminated}}
-
-  memcpy(safe_p, safe_p, n);               // no warn
-  strlen(str);                             // expected-warning{{unsafe assignment to a parameter of '__null_terminated' type; only '__null_terminated' pointers, string literals, and 'std::string::c_str' calls are compatible with '__null_terminated' pointers}}
-  snprintf(safe_p, n, "%s", "hlo");        // no warn
-  snprintf(safe_p, n, "%s", safe_str);     // no warn
-  snwprintf(safe_p, n, "%s", safe_str);    // no warn
-
-  // v-printf functions and sprintf are still warned about because
-  // they cannot be fully safe:
-
-  vsnprintf(safe_p, n, "%s", safe_str); // expected-warning{{function 'vsnprintf' is unsafe}} expected-note{{'va_list' is unsafe}}
-  sprintf(safe_ten, "%s", safe_str);    // expected-warning{{function 'sprintf' is unsafe}} expected-note{{change to 'snprintf' for explicit bounds checking}}
-
-}
-
-#endif //#ifdef INTEROP_MODE