llvm-project

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// RUN: not %clang_cc1 -fsyntax-only -fdiagnostics-parseable-fixits -std=c++11 %s 2>&1 | FileCheck %s
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template<typename T, typename U>
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struct pair {};
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template<typename T, typename U>
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struct map {
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  typedef pair<T,U> *iterator;
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  iterator begin();
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  iterator end();
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};
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template<typename T, typename U>
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pair<T,U> &tie(T &, U &);
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int foo(map<char*,int> &m) {
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  char *p;
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  int n;
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  for (pair<char*,int> x : m) {
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    (void)x;
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  }
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  for (tie(p, n) : m) { // expected-error {{for range declaration must declare a variable}}
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    (void)p;
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    (void)n;
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  }
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  return n;
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}
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namespace PR19176 {
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struct Vector {
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  struct iterator {
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    int &operator*();
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    iterator &operator++();
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    iterator &operator++(int);
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    bool operator==(const iterator &) const;
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  };
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  iterator begin();
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  iterator end();
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};
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void f() {
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  Vector v;
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  int a[] = {1, 2, 3, 4};
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  for (auto foo   =     a) // expected-error {{range-based 'for' statement uses ':', not '='}}
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    // CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:19-[[@LINE-1]]:20}:":"
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    (void)foo;
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  for (auto i
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      =
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      v) // expected-error@-1 {{range-based 'for' statement uses ':', not '='}}
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    // CHECK: fix-it:"{{.*}}":{[[@LINE-2]]:7-[[@LINE-2]]:8}:":"
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    (void)i;
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#define FORRANGE(v, a) for (DECLVARWITHINIT(v) a)  // expected-note {{expanded from macro}}
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#define DECLAUTOVAR(v) auto v
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#define DECLVARWITHINIT(v) DECLAUTOVAR(v) =  // expected-note {{expanded from macro}}
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  FORRANGE(i, a) {  // expected-error {{range-based 'for' statement uses ':', not '='}}
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  }
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}
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}
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namespace GH63010 {
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void foo(int n) {
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    int a[] = {1, 2, 3, 4, 5};
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    {
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        for (auto x = n ? 1 : 2 : a); // expected-error {{expected ';' in 'for' statement specifier}} \
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                                    // expected-error {{expected expression}}
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        for (int i = 1; auto x = n ? 1 : 2 : a); // expected-error {{expected ';' in 'for' statement specifier}}
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    }
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    {
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        for (auto x = n ? 1 : 2 : a)  // expected-error {{expected ';' in 'for' statement specifier}} \
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                                      // expected-error {{expected expression}}
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    }  // expected-error {{expected statement}}
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    {
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        for (int i = 1; auto x = n ? 1 : 2 : a) // expected-error {{expected ';' in 'for' statement specifier}}
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    } // expected-error {{expected statement}}
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}
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}
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