1 // RUN: %clang_cc1 -std=c++2a %s -verify=unsupported -triple x86_64-linux-gnu 2 // RUN: %clang_cc1 -std=c++2a %s -verify -triple x86_64-windows -fms-compatibility 3 4 [[msvc::no_unique_address]] int a; // expected-error {{only applies to non-bit-field non-static data members}} unsupported-warning {{unknown}} 5 [[msvc::no_unique_address]] void f(); // expected-error {{only applies to non-bit-field non-static data members}} unsupported-warning {{unknown}} 6 struct [[msvc::no_unique_address]] S { // expected-error {{only applies to non-bit-field non-static data members}} unsupported-warning {{unknown}} 7 [[msvc::no_unique_address]] int a; // unsupported-warning {{unknown}} 8 [[msvc::no_unique_address]] void f(); // expected-error {{only applies to non-bit-field non-static data members}} unsupported-warning {{unknown}} 9 [[msvc::no_unique_address]] static int sa;// expected-error {{only applies to non-bit-field non-static data members}} unsupported-warning {{unknown}} 10 [[msvc::no_unique_address]] static void sf(); // expected-error {{only applies to non-bit-field non-static data members}} unsupported-warning {{unknown}} 11 [[msvc::no_unique_address]] int b : 3; // expected-error {{only applies to non-bit-field non-static data members}} unsupported-warning {{unknown}} 12 13 [[msvc::no_unique_address, msvc::no_unique_address]] int duplicated; // ok 14 // unsupported-warning@-1 2{{unknown}} 15 [[msvc::no_unique_address]] [[msvc::no_unique_address]] int duplicated2; // unsupported-warning 2{{unknown}} 16 [[msvc::no_unique_address()]] int arglist; // expected-error {{cannot have an argument list}} unsupported-warning {{unknown}} 17 18 int [[msvc::no_unique_address]] c; // expected-error {{cannot be applied to types}} unsupported-error {{cannot be applied to types}} 19 }; 20 21 struct CStructNoUniqueAddress { 22 int one; 23 [[no_unique_address]] int two; 24 // expected-warning@-1 {{unknown attribute 'no_unique_address' ignored}} 25 }; 26 27 struct CStructMSVCNoUniqueAddress { 28 int one; 29 [[msvc::no_unique_address]] int two; 30 // unsupported-warning@-1 {{unknown attribute 'no_unique_address' ignored}} 31 }; 32 33 struct CStructMSVCNoUniqueAddress2 { 34 int one; 35 [[msvc::no_unique_address]] int two; 36 // unsupported-warning@-1 {{unknown attribute 'no_unique_address' ignored}} 37 }; 38 39 static_assert(__has_cpp_attribute(no_unique_address) == 0); 40 // unsupported-error@-1 {{static assertion failed due to requirement '201803L == 0'}} 41 static_assert(!__is_layout_compatible(CStructNoUniqueAddress, CStructMSVCNoUniqueAddress), ""); 42 static_assert(__is_layout_compatible(CStructMSVCNoUniqueAddress, CStructMSVCNoUniqueAddress), ""); 43 static_assert(!__is_layout_compatible(CStructMSVCNoUniqueAddress, CStructMSVCNoUniqueAddress2), ""); 44 // unsupported-error@-1 {{static assertion failed due to requirement '!__is_layout_compatible(CStructMSVCNoUniqueAddress, CStructMSVCNoUniqueAddress2)':}} 45