llvm-project/clang/test/SemaCXX/undefined-inline.cpp

69 lines
2.1 KiB
C++

// RUN: %clang_cc1 -fsyntax-only -triple i686-pc-win32 -verify -std=c++11 %s
// PR14993
namespace test1 {
inline void f(); // expected-warning{{inline function 'test1::f' is not defined}}
void test() { f(); } // expected-note{{used here}}
}
namespace test2 {
inline int f();
void test() { (void)sizeof(f()); }
}
namespace test3 {
void f(); // expected-warning{{inline function 'test3::f' is not defined}}
inline void f();
void test() { f(); } // expected-note{{used here}}
}
namespace test4 {
inline void error_on_zero(int); // expected-warning{{inline function 'test4::error_on_zero' is not defined}}
inline void error_on_zero(char*) {}
void test() { error_on_zero(0); } // expected-note{{used here}}
}
namespace test5 {
struct X { void f(); };
void test(X &x) { x.f(); }
}
namespace test6 {
struct X { inline void f(); }; // expected-warning{{inline function 'test6::X::f' is not defined}}
void test(X &x) { x.f(); } // expected-note{{used here}}
}
namespace test7 {
void f(); // expected-warning{{inline function 'test7::f' is not defined}}
void test() { f(); } // no used-here note.
inline void f();
}
namespace test8 {
inline void foo() __attribute__((gnu_inline)); // expected-warning {{'gnu_inline' attribute without 'extern' in C++ treated as externally available, this changed in Clang 10}}
void test() { foo(); }
}
namespace test9 {
void foo();
void test() { foo(); }
inline void foo() __attribute__((gnu_inline)); // expected-warning {{'gnu_inline' attribute without 'extern' in C++ treated as externally available, this changed in Clang 10}}
}
namespace test10 {
inline void foo();
void test() { foo(); }
inline void foo() __attribute__((gnu_inline)); // expected-warning {{'gnu_inline' attribute without 'extern' in C++ treated as externally available, this changed in Clang 10}}
}
namespace test11 {
inline void foo() __attribute__((dllexport));
inline void bar() __attribute__((dllimport));
void test() { foo(); bar(); }
}
namespace test12 {
template<typename> constexpr int _S_chk(int *);
decltype(_S_chk<int>(nullptr)) n;
}