| 1 | // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s |
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| 2 | |
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| 3 | int f() __attribute__((internal_linkage)); |
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| 4 | |
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| 5 | class A; |
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| 6 | class __attribute__((internal_linkage)) A { |
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| 7 | public: |
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| 8 | int x __attribute__((internal_linkage)); // expected-warning{{'internal_linkage' attribute only applies to variables, functions, and classes}} |
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| 9 | static int y __attribute__((internal_linkage)); |
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| 10 | void f1() __attribute__((internal_linkage)); |
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| 11 | void f2() __attribute__((internal_linkage)) {} |
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| 12 | static void f3() __attribute__((internal_linkage)) {} |
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| 13 | void f4(); // expected-note{{previous definition is here}} |
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| 14 | static int zz; // expected-note{{previous definition is here}} |
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| 15 | A() __attribute__((internal_linkage)) {} |
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| 16 | ~A() __attribute__((internal_linkage)) {} |
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| 17 | A& operator=(const A&) __attribute__((internal_linkage)) { return *this; } |
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| 18 | struct { |
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| 19 | int z __attribute__((internal_linkage)); // expected-warning{{'internal_linkage' attribute only applies to}} |
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| 20 | }; |
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| 21 | }; |
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| 22 | |
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| 23 | __attribute__((internal_linkage)) void A::f4() {} // expected-error{{'internal_linkage' attribute does not appear on the first declaration of 'f4'}} |
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| 24 | |
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| 25 | __attribute__((internal_linkage)) int A::zz; // expected-error{{'internal_linkage' attribute does not appear on the first declaration of 'zz'}} |
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| 26 | |
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| 27 | namespace Z __attribute__((internal_linkage)) { // expected-warning{{'internal_linkage' attribute only applies to}} |
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| 28 | } |
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| 29 | |
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| 30 | __attribute__((internal_linkage("foo"))) int g() {} // expected-error{{'internal_linkage' attribute takes no arguments}} |
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| 31 | |
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| 32 | [[clang::internal_linkage]] int h() {} |
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| 33 | |
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| 34 | enum struct __attribute__((internal_linkage)) E { // expected-warning{{'internal_linkage' attribute only applies to}} |
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| 35 | a = 1, |
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| 36 | b = 2 |
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| 37 | }; |
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| 38 | |
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| 39 | int A::y; |
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| 40 | |
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| 41 | void A::f1() { |
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| 42 | } |
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| 43 | |
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| 44 | void g(int a [[clang::internal_linkage]]) { // expected-warning{{'internal_linkage' attribute only applies to variables, functions and classes}} |
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| 45 | int x [[clang::internal_linkage]]; // expected-warning{{'internal_linkage' attribute on a non-static local variable is ignored}} |
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| 46 | static int y [[clang::internal_linkage]]; |
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| 47 | } |
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| 48 | |
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