48 lines · cpp
1// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s2 3int f() __attribute__((internal_linkage));4 5class A;6class __attribute__((internal_linkage)) A {7public:8 int x __attribute__((internal_linkage)); // expected-warning{{'internal_linkage' attribute only applies to variables, functions, and classes}}9 static int y __attribute__((internal_linkage));10 void f1() __attribute__((internal_linkage));11 void f2() __attribute__((internal_linkage)) {}12 static void f3() __attribute__((internal_linkage)) {}13 void f4(); // expected-note{{previous declaration is here}}14 static int zz; // expected-note{{previous declaration is here}}15 A() __attribute__((internal_linkage)) {}16 ~A() __attribute__((internal_linkage)) {}17 A& operator=(const A&) __attribute__((internal_linkage)) { return *this; }18 struct {19 int z __attribute__((internal_linkage)); // expected-warning{{'internal_linkage' attribute only applies to}}20 };21};22 23__attribute__((internal_linkage)) void A::f4() {} // expected-error{{'internal_linkage' attribute does not appear on the first declaration}}24 25__attribute__((internal_linkage)) int A::zz; // expected-error{{'internal_linkage' attribute does not appear on the first declaration}}26 27namespace Z __attribute__((internal_linkage)) { // expected-warning{{'internal_linkage' attribute only applies to}}28}29 30__attribute__((internal_linkage("foo"))) int g() {} // expected-error{{'internal_linkage' attribute takes no arguments}}31 32[[clang::internal_linkage]] int h() {}33 34enum struct __attribute__((internal_linkage)) E { // expected-warning{{'internal_linkage' attribute only applies to}}35 a = 1,36 b = 237};38 39int A::y;40 41void A::f1() {42}43 44void g(int a [[clang::internal_linkage]]) { // expected-warning{{'clang::internal_linkage' attribute only applies to variables, functions and classes}}45 int x [[clang::internal_linkage]]; // expected-warning{{'internal_linkage' attribute on a non-static local variable is ignored}}46 static int y [[clang::internal_linkage]];47}48