clang/test/CXX/dcl.dcl/dcl.attr/dcl.align/p7.cpp

   1 // RUN: %clang_cc1 -std=c++11 -verify %s
   2
   3 template<typename T, typename A, int N> struct X {
   4   alignas(T) alignas(A) T buffer[N];
   5 };
   6
   7 static_assert(alignof(X<char, int, sizeof(int)>) == alignof(int), "");
   8 static_assert(alignof(X<int, char, 1>) == alignof(int), "");
   9
  10
  11 template<typename T, typename A, int N> struct Y {
  12   alignas(A) T buffer[N]; // expected-error {{requested alignment is less than minimum alignment of 4 for type 'int[1]'}}
  13 };
  14
  15 static_assert(alignof(Y<char, int, sizeof(int)>) == alignof(int), "");
  16 static_assert(alignof(Y<int, char, 1>) == alignof(int), ""); // expected-note {{in instantiation of}}
  17
  18 void pr16992 () {
  19   int x = alignof int;  // expected-error {{expected parentheses around type name in alignof expression}}
  20 }