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 // <rdar://problem/10228639>
   6 class Foo {
   7   ~Foo();
   8   Foo(const Foo&);
   9 public:
  10   Foo(int);
  11 };
  12
  13 class Bar {
  14   int foo_count;
  15   Foo foos[0];
  16 #if __cplusplus >= 201103L
  17 // expected-note@-2 {{copy constructor of 'Bar' is implicitly deleted because field 'foos' has an inaccessible copy constructor}}
  18 #endif
  19   Foo foos2[0][2];
  20   Foo foos3[2][0];
  21
  22 public:
  23   Bar(): foo_count(0) { }
  24   ~Bar() { }
  25 };
  26
  27 void testBar() {
  28   Bar b;
  29   Bar b2(b);
  30 #if __cplusplus >= 201103L
  31 // expected-error@-2 {{call to implicitly-deleted copy constructor of 'Bar}}
  32 #else
  33 // expected-no-diagnostics
  34 #endif
  35   b = b2;
  36 }