clang/test/SemaCXX/using-declspec.cpp

   1 // RUN: %clang_cc1 -fms-compatibility -fsyntax-only -verify %s
   2
   3 // This should ignore the alignment and issue a warning about
   4 // align not being used
   5 auto func() -> __declspec(align(16)) int; // expected-warning{{attribute ignored when parsing type}}
   6 static_assert(alignof(decltype(func())) == alignof(int), "error");
   7
   8 // The following should NOT assert since alignment should
   9 // follow the type
  10 struct Test { int a; };
  11 using AlignedTest = __declspec(align(16)) const Test;
  12 static_assert(alignof(AlignedTest) == 16, "error");
  13
  14 // Same here, no declaration to shift to
  15 int i = (__declspec(align(16))int)12; // expected-warning{{attribute ignored when parsing type}}
  16
  17 // But there is a declaration here!
  18 typedef __declspec(align(16)) int Foo;
  19 static_assert(alignof(Foo) == 16, "error");
  20