File: array-redeclaration.cpp

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// RUN: %clang_cc1 -fsyntax-only -verify %s
// expected-no-diagnostics

extern int array[1];

template <typename>
class C {
  enum { D };
public:
  template <typename A> void foo1() {
    extern int array[((int)C<A>::k > (int)D) ? 1 : -1];
  }
};

template<>
class C<int> {
public:
  const static int k = 2;
};

void foo2() {
  C<char> c;
  c.foo1<int>();
}

template<int n>
void foo3() {
  extern int array[n ? 1 : -1];
}

void foo4() {
  foo3<5>();
}

namespace NS {
  int f() { extern int arr[3]; { extern int arr[]; } return 0; }
  template<typename T> void g() { extern int arr[3]; extern T arr; }
  template void g<int[]>();
}