llvm-project/clang/test/SemaCXX/deprecated.cpp

// RUN: %clang_cc1 -std=c++98 %s -Wdeprecated -verify -triple x86_64-linux-gnu
// RUN: %clang_cc1 -std=c++11 %s -Wdeprecated -verify -triple x86_64-linux-gnu
// RUN: %clang_cc1 -std=c++14 %s -Wdeprecated -verify -triple x86_64-linux-gnu
// RUN: %clang_cc1 -std=c++17 %s -Wdeprecated -verify -triple x86_64-linux-gnu
// RUN: %clang_cc1 -std=c++2a %s -Wdeprecated -verify -triple x86_64-linux-gnu

// RUN: %clang_cc1 -std=c++14 %s -Wdeprecated -verify -triple x86_64-linux-gnu -Wno-deprecated-register -DNO_DEPRECATED_FLAGS

#include "Inputs/register.h"

void g() throw();
void h() throw(int);
void i() throw(...);
#if __cplusplus > 201402L
// expected-warning@-4 {{dynamic exception specifications are deprecated}} expected-note@-4 {{use 'noexcept' instead}}
// expected-error@-4 {{ISO C++17 does not allow dynamic exception specifications}} expected-note@-4 {{use 'noexcept(false)' instead}}
// expected-error@-4 {{ISO C++17 does not allow dynamic exception specifications}} expected-note@-4 {{use 'noexcept(false)' instead}}
#elif __cplusplus >= 201103L
// expected-warning@-8 {{dynamic exception specifications are deprecated}} expected-note@-8 {{use 'noexcept' instead}}
// expected-warning@-8 {{dynamic exception specifications are deprecated}} expected-note@-8 {{use 'noexcept(false)' instead}}
// expected-warning@-8 {{dynamic exception specifications are deprecated}} expected-note@-8 {{use 'noexcept(false)' instead}}
#endif

void stuff(register int q) {
#if __cplusplus > 201402L
  // expected-error@-2 {{ISO C++17 does not allow 'register' storage class specifier}}
#elif __cplusplus >= 201103L && !defined(NO_DEPRECATED_FLAGS)
  // expected-warning@-4 {{'register' storage class specifier is deprecated}}
#endif
  register int n;
#if __cplusplus > 201402L
  // expected-error@-2 {{ISO C++17 does not allow 'register' storage class specifier}}
#elif __cplusplus >= 201103L && !defined(NO_DEPRECATED_FLAGS)
  // expected-warning@-4 {{'register' storage class specifier is deprecated}}
#endif

  register int m asm("rbx"); // no-warning

  int k = to_int(n); // no-warning
  bool b;
  ++b;
#if __cplusplus > 201402L
  // expected-error@-2 {{ISO C++17 does not allow incrementing expression of type bool}}
#else
  // expected-warning@-4 {{incrementing expression of type bool is deprecated}}
#endif

  b++;
#if __cplusplus > 201402L
  // expected-error@-2 {{ISO C++17 does not allow incrementing expression of type bool}}
#else
  // expected-warning@-4 {{incrementing expression of type bool is deprecated}}
#endif

  char *p = "foo";
#if __cplusplus < 201103L
  // expected-warning@-2 {{conversion from string literal to 'char *' is deprecated}}
#else
  // expected-warning@-4 {{ISO C++11 does not allow conversion from string literal to 'char *'}}
#endif
}

struct S { int n; void operator+(int); };
struct T : private S {
  S::n;
#if __cplusplus < 201103L
  // expected-warning@-2 {{access declarations are deprecated; use using declarations instead}}
#else
  // expected-error@-4 {{ISO C++11 does not allow access declarations; use using declarations instead}}
#endif
  S::operator+;
#if __cplusplus < 201103L
  // expected-warning@-2 {{access declarations are deprecated; use using declarations instead}}
#else
  // expected-error@-4 {{ISO C++11 does not allow access declarations; use using declarations instead}}
#endif
};

#if __cplusplus >= 201103L
namespace DeprecatedCopy {
  struct Assign {
    Assign &operator=(const Assign&); // expected-warning {{definition of implicit copy constructor for 'Assign' is deprecated because it has a user-declared copy assignment operator}}
  };
  Assign a1, a2(a1); // expected-note {{implicit copy constructor for 'DeprecatedCopy::Assign' first required here}}

  struct Ctor {
    Ctor();
    Ctor(const Ctor&); // expected-warning {{definition of implicit copy assignment operator for 'Ctor' is deprecated because it has a user-declared copy constructor}}
  };
  Ctor b1, b2;
  void f() { b1 = b2; } // expected-note {{implicit copy assignment operator for 'DeprecatedCopy::Ctor' first required here}}

  struct Dtor {
    ~Dtor();
    // expected-warning@-1 {{definition of implicit copy constructor for 'Dtor' is deprecated because it has a user-declared destructor}}
    // expected-warning@-2 {{definition of implicit copy assignment operator for 'Dtor' is deprecated because it has a user-declared destructor}}
  };
  Dtor c1, c2(c1); // expected-note {{implicit copy constructor for 'DeprecatedCopy::Dtor' first required here}}
  void g() { c1 = c2; } // expected-note {{implicit copy assignment operator for 'DeprecatedCopy::Dtor' first required here}}
}
#endif

struct X {
  friend int operator,(X, X);
  void operator[](int);
};
void array_index_comma() {
  int arr[123];
  (void)arr[(void)1, 2];
  (void)arr[X(), X()];
  X()[(void)1, 2];
  X()[X(), X()];
#if __cplusplus > 201703L
  // expected-warning@-5 {{deprecated}}
  // expected-warning@-5 {{deprecated}}
  // expected-warning@-5 {{deprecated}}
  // expected-warning@-5 {{deprecated}}
#endif

  (void)arr[((void)1, 2)];
  (void)arr[(X(), X())];
  (void)((void)1,2)[arr];
  (void)(X(), X())[arr];
  X()[((void)1, 2)];
  X()[(X(), X())];
}

# 1 "/usr/include/system-header.h" 1 3
void system_header_function(void) throw();