clang/test/SemaCXX/attr-declspec-ignored.cpp

   1 // RUN: %clang_cc1 %s -verify -fsyntax-only
   2
   3 namespace test1 {
   4   __attribute__((visibility("hidden")))  __attribute__((aligned)) class A; // expected-warning{{attribute 'visibility' is ignored, place it after "class" to apply attribute to type declaration}} \
   5   // expected-warning{{attribute 'aligned' is ignored, place it after "class" to apply attribute to type declaration}}
   6   __attribute__((visibility("hidden")))  __attribute__((aligned)) struct B; // expected-warning{{attribute 'visibility' is ignored, place it after "struct" to apply attribute to type declaration}} \
   7   // expected-warning{{attribute 'aligned' is ignored, place it after "struct" to apply attribute to type declaration}}
   8   __attribute__((visibility("hidden")))  __attribute__((aligned)) union C; // expected-warning{{attribute 'visibility' is ignored, place it after "union" to apply attribute to type declaration}} \
   9   // expected-warning{{attribute 'aligned' is ignored, place it after "union" to apply attribute to type declaration}}
  10   __attribute__((visibility("hidden")))  __attribute__((aligned)) enum D {D}; // expected-warning{{attribute 'visibility' is ignored, place it after "enum" to apply attribute to type declaration}} \
  11   // expected-warning{{attribute 'aligned' is ignored, place it after "enum" to apply attribute to type declaration}}
  12   __attribute__((visibility("hidden")))  __attribute__((aligned)) enum class EC {}; // expected-warning{{attribute 'visibility' is ignored, place it after "enum class" to apply attribute to type declaration}} \
  13   // expected-warning{{attribute 'aligned' is ignored, place it after "enum class" to apply attribute to type declaration}}
  14   __attribute__((visibility("hidden")))  __attribute__((aligned)) enum struct ES {}; // expected-warning{{attribute 'visibility' is ignored, place it after "enum struct" to apply attribute to type declaration}} \
  15   // expected-warning{{attribute 'aligned' is ignored, place it after "enum struct" to apply attribute to type declaration}}
  16
  17   // Test that we get the same warnings for type declarations nested in a record.
  18   struct X {
  19     __attribute__((visibility("hidden")))  __attribute__((aligned)) class A; // expected-warning{{attribute 'visibility' is ignored, place it after "class" to apply attribute to type declaration}} \
  20     // expected-warning{{attribute 'aligned' is ignored, place it after "class" to apply attribute to type declaration}}
  21     __attribute__((visibility("hidden")))  __attribute__((aligned)) struct B; // expected-warning{{attribute 'visibility' is ignored, place it after "struct" to apply attribute to type declaration}} \
  22     // expected-warning{{attribute 'aligned' is ignored, place it after "struct" to apply attribute to type declaration}}
  23     __attribute__((visibility("hidden")))  __attribute__((aligned)) union C; // expected-warning{{attribute 'visibility' is ignored, place it after "union" to apply attribute to type declaration}} \
  24     // expected-warning{{attribute 'aligned' is ignored, place it after "union" to apply attribute to type declaration}}
  25     __attribute__((visibility("hidden")))  __attribute__((aligned)) enum D {D}; // expected-warning{{attribute 'visibility' is ignored, place it after "enum" to apply attribute to type declaration}} \
  26     // expected-warning{{attribute 'aligned' is ignored, place it after "enum" to apply attribute to type declaration}}
  27     __attribute__((visibility("hidden")))  __attribute__((aligned)) enum class EC {}; // expected-warning{{attribute 'visibility' is ignored, place it after "enum class" to apply attribute to type declaration}} \
  28     // expected-warning{{attribute 'aligned' is ignored, place it after "enum class" to apply attribute to type declaration}}
  29     __attribute__((visibility("hidden")))  __attribute__((aligned)) enum struct ES {}; // expected-warning{{attribute 'visibility' is ignored, place it after "enum struct" to apply attribute to type declaration}} \
  30     // expected-warning{{attribute 'aligned' is ignored, place it after "enum struct" to apply attribute to type declaration}}
  31
  32     // Also test [[]] attribute syntax. (On a non-nested declaration, these
  33     // generate a hard "misplaced attributes" error, which we test for
  34     // elsewhere.)
  35     [[gnu::visibility("hidden")]]  [[gnu::aligned]] class E; // expected-warning{{attribute 'visibility' is ignored, place it after "class" to apply attribute to type declaration}} \
  36     // expected-warning{{attribute 'aligned' is ignored, place it after "class" to apply attribute to type declaration}}
  37     [[gnu::visibility("hidden")]]  [[gnu::aligned]] struct F; // expected-warning{{attribute 'visibility' is ignored, place it after "struct" to apply attribute to type declaration}} \
  38     // expected-warning{{attribute 'aligned' is ignored, place it after "struct" to apply attribute to type declaration}}
  39     [[gnu::visibility("hidden")]]  [[gnu::aligned]] union G; // expected-warning{{attribute 'visibility' is ignored, place it after "union" to apply attribute to type declaration}} \
  40     // expected-warning{{attribute 'aligned' is ignored, place it after "union" to apply attribute to type declaration}}
  41     [[gnu::visibility("hidden")]]  [[gnu::aligned]] enum H {H}; // expected-warning{{attribute 'visibility' is ignored, place it after "enum" to apply attribute to type declaration}} \
  42     // expected-warning{{attribute 'aligned' is ignored, place it after "enum" to apply attribute to type declaration}}
  43     [[gnu::visibility("hidden")]]  [[gnu::aligned]] enum class I {}; // expected-warning{{attribute 'visibility' is ignored, place it after "enum class" to apply attribute to type declaration}} \
  44     // expected-warning{{attribute 'aligned' is ignored, place it after "enum class" to apply attribute to type declaration}}
  45     [[gnu::visibility("hidden")]]  [[gnu::aligned]] enum struct J {}; // expected-warning{{attribute 'visibility' is ignored, place it after "enum struct" to apply attribute to type declaration}} \
  46     // expected-warning{{attribute 'aligned' is ignored, place it after "enum struct" to apply attribute to type declaration}}
  47   };
  48 }
  49
  50 namespace test2 {
  51   __attribute__((visibility("hidden")))  __attribute__((aligned)) class A {} a;
  52   __attribute__((visibility("hidden")))  __attribute__((aligned)) struct B {} b;
  53   __attribute__((visibility("hidden")))  __attribute__((aligned)) union C {} c;
  54   __attribute__((visibility("hidden")))  __attribute__((aligned)) enum D {D} d;
  55   __attribute__((visibility("hidden")))  __attribute__((aligned)) enum class EC {} ec;
  56   __attribute__((visibility("hidden")))  __attribute__((aligned)) enum struct ES {} es;
  57
  58   struct X {
  59     __attribute__((visibility("hidden")))  __attribute__((aligned)) class A {} a;
  60     __attribute__((visibility("hidden")))  __attribute__((aligned)) struct B {} b;
  61     __attribute__((visibility("hidden")))  __attribute__((aligned)) union C {} c;
  62     __attribute__((visibility("hidden")))  __attribute__((aligned)) enum D {D} d;
  63     __attribute__((visibility("hidden")))  __attribute__((aligned)) enum class EC {} ec;
  64     __attribute__((visibility("hidden")))  __attribute__((aligned)) enum struct ES {} es;
  65
  66     [[gnu::visibility("hidden")]]  [[gnu::aligned]] class E {} e;
  67     [[gnu::visibility("hidden")]]  [[gnu::aligned]] struct F {} f;
  68     [[gnu::visibility("hidden")]]  [[gnu::aligned]] union G {} g;
  69     [[gnu::visibility("hidden")]]  [[gnu::aligned]] enum H {H} h;
  70     [[gnu::visibility("hidden")]]  [[gnu::aligned]] enum class I {} i;
  71     [[gnu::visibility("hidden")]]  [[gnu::aligned]] enum struct J {} j;
  72   };
  73 }