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From-SVN: r21944

1 files changed, 209 insertions, 0 deletions

diff --git a/gcc/testsuite/g++.old-deja/g++.benjamin/tem03.C b/gcc/testsuite/g++.old-deja/g++.benjamin/tem03.C
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+// Build don't link:
+// 980808-980824 bkoz
+// template parameter redeclaration bugs
+
+// 14.1 Template parameters
+// p 13
+// The scope of a template-parameter extens from its point of
+// declartion until the end of its template. In particular, a
+// template-parameter can be used in the declaration of subsequent
+// template-parameters and their default arguments. 
+
+// 14.6.1 Locally declared names
+// p 4
+// A template-parameter shall not be redeclared within its scope
+// (including nested scopes). A template-parameter shall not have the
+// sname name as the template name.
+
+
+// 01 
+// declared friend template
+template <class T4>// ERROR - .*
+class Xone {
+protected:
+  T4* next;
+  T4* prev;
+  T4 value;
+public:
+  Xone(): next(0), prev(0), value(1999){}
+  Xone(T4 init): value(init) {}
+
+  // these are ok:
+  // can also do template-decl and then can ditch the foward-declaration
+  // template <class T5> friend bool isequal (Xone<T5>& lhs, Xone<T5>& rhs);
+  // this is not ok:
+  template <class T4> friend bool isequal (Xone<T4>& lhs, Xone<T4>& rhs);// ERROR - .*
+};
+
+
+// 02
+// nested template class
+template <class T6>// ERROR - .*
+class Xtwo {
+protected:
+  T6* next;
+  T6* prev;
+  T6 value;
+public:
+  Xtwo(): next(0), prev(0), value(1999){}
+  Xtwo(T6 init): value(init) {}
+
+  template <class T6> class nested {// ERROR - .*
+    T6 value;
+  public:
+    nested(): value( T6(0)) {}
+  };
+};
+
+
+// 03
+// member templates
+template <class T8>// ERROR - .*
+class Xthree {
+protected:
+  T8* next;
+  T8* prev;
+  T8 value;
+public:
+  Xthree(): next(0), prev(0), value(1999){}
+  Xthree(T8 init): value(init) {}
+
+  template <class T8> T8 comp_ge(T8 test) {// ERROR - .*
+    T8 local_value;
+    if (local_value > value) 
+      return local_value;
+    else
+      return value;
+  }
+};
+
+
+// 04
+// local names (14.6.1 p 4)
+template <class T10, int i> class Xfour {// ERROR - .*
+  int T10; // ERROR - .*
+  void f(){
+    char T10; // ERROR - .*
+  }
+};
+
+
+// 05
+// using different tempate-parms for out-of-line defs
+template <class T12, int i> class Xfive {
+  void f();
+};
+
+template <class T13, int i> void Xfive<T13,i>::f() {// ERROR - .*
+  int T13; // ERROR - .*
+  int T12; //should be ok
+}
+
+
+// 06
+// multiple names at the same level
+template <class T14, class T14> class Xsix { // ERROR - .*
+private:
+public:
+  void f();
+};
+
+
+// 07
+// multiple names, one in template parameter one in class-name
+template <class T12> class T12; // ERROR - .*
+
+
+// 08 
+// with multiple template params, and second (third) one is redeclared
+template <class T16, int i, class T161> class Xseven { // ERROR - .*
+private:
+  char T161; // ERROR - .*
+public:
+  template <class U>
+  friend bool fooy(U u);
+
+  template <class T161> // ERROR - .*
+  friend bool foo(T161 u)
+    {
+      Xseven<T161, 5, int> obj;
+      return (obj.inst == u.inst);
+    }
+
+};
+
+
+// 09 
+// check for correct scoping of member templates
+template <class T>
+struct S1
+{
+  template <class U>
+  void f(U u)
+    {
+      S1<U> s2u(u);
+      s2u.g();
+    }
+
+  template <class U> //ok
+  void f2(U u)
+    {
+      S1<U> s2u(u);
+      s2u.g();
+    }
+
+};
+
+
+// 10 
+// check for non-type parameters, should still be able to redeclare?
+// local names (14.6.1 p 4)
+template <class T18, int i> class Xten {// ERROR - .*
+  float i; // ERROR - .*
+};
+
+
+// 11 
+// declared friend template, non-type parameters
+template <long l>// ERROR - .*
+class Xeleven {
+public:
+  template <long l> friend bool isequal (Xeleven<5> lhs, Xeleven<5> rhs);  // ERROR - .*
+};
+
+
+
+// 12
+// nested template class, non-type parameters
+template <long l>// ERROR - .*
+class Xtwelve {
+public:
+  template <long l> class nested {// ERROR - .
+    long value;
+  public:
+    nested(): value(0) {}
+  };
+};
+
+
+// 13
+// member templates, non-type parameters
+template <long l>// ERROR - .*
+class Xthirteen {
+  template <long l> long comp_ge(long test) {// ERROR - .
+    long local_value;
+    if (local_value > value) 
+      return local_value;
+    else
+      return value;
+  }
+};
+
+
+
+
+
+
+
+
+