clang/test/SemaCXX/declspec-selectany.cpp

   1 // RUN: %clang_cc1 -std=c++14 %s -triple x86_64-windows-msvc -fdeclspec -verify
   2 // RUN: %clang_cc1 -std=c++17 %s -triple x86_64-windows-msvc -fdeclspec -verify
   3 // RUN: %clang_cc1 -std=c++14 %s -triple x86_64-scei-ps4 -fdeclspec -verify
   4
   5 // MSVC emits this error too.
   6 const int __declspec(selectany) test1 = 0; // expected-error {{'selectany' can only be applied to data items with external linkage}}
   7
   8 extern const int test2;
   9 const int test2 = 42; // expected-note {{previous definition is here}}
  10 extern __declspec(selectany) const int test2; // expected-warning {{attribute declaration must precede definition}}
  11
  12 extern const int test3;
  13 const int __declspec(selectany) test3 = 42; // Standard usage.
  14
  15 struct Test4 {
  16   static constexpr int sdm = 0;
  17 };
  18 __declspec(selectany) constexpr int Test4::sdm; // no warning