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From-SVN: r21440

gcc/testsuite/g++.old-deja/g++.benjamin/scope01.C

+// Build don't link:
+// 980604 bkoz
+// 3.4.5 Class member access p 4
+// nested and non-nested calls, no dtors
+
+struct L { 
+  int ii; 
+  void foo(int a) {++a;}
+  struct Linner {
+    int ii_inner; 
+    void foo_inner(int b) {++b;}
+  };
+};
+class A : public L {};
+class B : public L {};
+class C : public A, public B {};
+
+
+void foo() {
+  // straight call
+  C x;
+  x.A::ii = 5;
+  x.A::foo(x.A::ii);
+  
+  // 5.1 Primary expressions
+  // p 8 
+  // a nested name specifier that names a class,
+  // optionally followed by the keyword template and then followd by
+  // the name of a member of either that class or one of its base
+  // classes is a qualified-id.  (3.4.3.1 describes their lookup.) 
+
+  // 5.2.5 Class memember access 
+
+  // p 3 if E1 has the type 'pointer to class X' then 
+  // E1->E2 == (*(E1)).E32
+  // E1 == object-expression
+  // E2 == id-expression
+  // thus everything gets converted to the "." notation
+
+  // p 2
+  // the id-expression shall name a member of the class
+  // (object-expression) or of one of its base classes.
+
+  // p4 if E2 is a nested type (of the object-expression), tye
+  // expression E1.E2 is ill formed.
+
+  // try 1 nested call - ERROR
+#if 0
+  C x2;
+  x2.A::L::Linner::ii_inner = 6; //ERROR violates p2, does not name member of C
+  x2.A::L::Linner::foo_inner(x2.A::L::Linner::ii_inner);
+#endif
+
+  //try2: scoped method call  -edg +acc +g++
+#if 1
+  C::A::Linner x2;
+  x2.A::Linner::ii_inner = 6;
+  x2.A::Linner::foo_inner(x2.A::Linner::ii_inner);
+#endif
+
+  //try 3: non-scoped method call  -edg +acc +g++
+#if 0
+  C::A::L::Linner x3;
+  x3.ii_inner = 6;
+  x3.foo_inner(x3.ii_inner);
+#endif
+}
+
+
+
+