re PR c++/59483 (A nested lambda fails to find a protected name with qualified name)

	PR c++/59483
	PR c++/61148
	* search.c (accessible_p): Use current_nonlambda_class_type.
	* semantics.c (check_accessibility_of_qualified_id): Likewise.

From-SVN: r211147

gcc/cp/ChangeLog

+2014-06-02  Ville Voutilainen  <ville.voutilainen@gmail.com>
+
+	PR c++/59483
+	PR c++/61148
+	* search.c (accessible_p): Use current_nonlambda_class_type.
+	* semantics.c (check_accessibility_of_qualified_id): Likewise.
+
 2014-06-02  Andrew MacLeod  <amacleod@redhat.com>
 
 	* decl.c: Include builtins.h.

gcc/cp/search.c

@@ -917,9 +917,11 @@ accessible_p (tree type, tree decl, bool consider_local_p)
       /* Figure out where the reference is occurring.  Check to see if
 	 DECL is private or protected in this scope, since that will
 	 determine whether protected access is allowed.  */
-      if (current_class_type)
+      tree ct = current_nonlambda_class_type ();
+      if (ct)
 	protected_ok = protected_accessible_p (decl,
-					       current_class_type, binfo);
+					       ct,
+					       binfo);
 
       /* Now, loop through the classes of which we are a friend.  */
       if (!protected_ok)

gcc/cp/semantics.c

@@ -1836,10 +1836,11 @@ check_accessibility_of_qualified_id (tree decl,
       /* If the reference is to a non-static member of the
 	 current class, treat it as if it were referenced through
 	 `this'.  */
+      tree ct;
       if (DECL_NONSTATIC_MEMBER_P (decl)
 	  && current_class_ptr
-	  && DERIVED_FROM_P (scope, current_class_type))
-	qualifying_type = current_class_type;
+	  && DERIVED_FROM_P (scope, ct = current_nonlambda_class_type ()))
+	qualifying_type = ct;
       /* Otherwise, use the type indicated by the
 	 nested-name-specifier.  */
       else

gcc/testsuite/g++.dg/cpp0x/lambda/lambda-59483.C

+// PR c++/59483
+// { dg-do compile { target c++11 } }
+
+struct X
+{
+protected:
+  int i;
+};
+
+struct Y : X
+{
+  Y()
+  {
+    [&]{ X::i = 3; }();
+  }
+};
+
+template <class T>
+struct Y2 : T
+{
+  Y2()
+  {
+    [&]{ T::i = 3; }();
+  }
+};
+
+int main()
+{
+  Y y;
+  Y2<X> y2;
+}

gcc/testsuite/g++.dg/cpp0x/lambda/lambda-61148.C

+// PR c++/61148
+// { dg-do compile { target c++11 } }
+
+class DB
+{
+protected:
+  void foo() {};
+};
+
+class DC : public DB
+{
+public:
+  DC()
+  {
+    [this]() {DB::foo();}();
+  };
+};
+
+template <class T>
+class DC2 : public T
+{
+public:
+  DC2()
+  {
+    [this]() {T::foo();}();
+  };
+};
+
+int main(void)
+{
+  DC x;
+  DC2<DB> x2;
+}