clang/test/SemaCXX/zero-length-arrays.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s
   3 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
   4
   5 class Foo {
   6   ~Foo();
   7   Foo(const Foo&);
   8 public:
   9   Foo(int);
  10 };
  11
  12 class Bar {
  13   int foo_count;
  14   Foo foos[0];
  15 #if __cplusplus >= 201103L
  16 // expected-note@-2 {{copy constructor of 'Bar' is implicitly deleted because field 'foos' has an inaccessible copy constructor}}
  17 #endif
  18   Foo foos2[0][2];
  19   Foo foos3[2][0];
  20
  21 public:
  22   Bar(): foo_count(0) { }
  23   ~Bar() { }
  24 };
  25
  26 void testBar() {
  27   Bar b;
  28   Bar b2(b);
  29 #if __cplusplus >= 201103L
  30 // expected-error@-2 {{call to implicitly-deleted copy constructor of 'Bar}}
  31 #else
  32 // expected-no-diagnostics
  33 #endif
  34   b = b2;
  35 }