clang/test/CodeGenCXX/incomplete-types.cpp

   1 // RUN: %clang_cc1 %s -emit-llvm-only -verify
   2 // expected-no-diagnostics
   3 // PR5489
   4
   5 template<typename E>
   6 struct Bar {
   7  int x_;
   8 };
   9
  10 static struct Bar<int> bar[1] = {
  11   { 0 }
  12 };
  13
  14
  15
  16 namespace incomplete_type_refs {
  17   struct A;
  18   extern A g[];
  19   void foo(A*);
  20   void f(void) {
  21     foo(g);    // Reference to array with unknown element type.
  22   }
  23
  24   struct A {   // define the element type.
  25     int a,b,c;
  26   };
  27
  28   A *f2() {
  29     return &g[1];
  30   }
  31
  32 }
  33
  34 namespace PR10395 {
  35   struct T;
  36   extern T x[];
  37   T* f() { return x; }
  38 }
  39
  40 namespace PR10384 {
  41   struct X;
  42   extern X x[1];
  43   X* f() { return x; }
  44 }