re PR c++/58878 (Template parameter name can be hidden in a template member…

re PR c++/58878 (Template parameter name can be hidden in a template member function defined inside the class specifier)

/cp
2013-10-25  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/58878
	* pt.c (check_template_shadow): Don't skip declarations in inline
	member templates.

/testsuite
2013-10-25  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/58878
	* g++.dg/template/pr58878.C: New.

From-SVN: r204071

gcc/cp/ChangeLog

+2013-10-25  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/58878
+	* pt.c (check_template_shadow): Don't skip declarations in inline
+	member templates.
+
 2013-10-25  Tobias Burnus  <burnus@net-b.de>
 
 	PR other/33426

gcc/cp/pt.c

@@ -3511,7 +3511,8 @@ check_template_shadow (tree decl)
      name inside a class.  We check TPFI to avoid duplicate errors for
      inline member templates.  */
   if (decl == olddecl
-      || TEMPLATE_PARMS_FOR_INLINE (current_template_parms))
+      || (DECL_TEMPLATE_PARM_P (decl)
+	  && TEMPLATE_PARMS_FOR_INLINE (current_template_parms)))
     return true;
 
   error ("declaration of %q+#D", decl);

gcc/testsuite/ChangeLog

+2013-10-25  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/58878
+	* g++.dg/template/pr58878.C: New.
+
 2013-10-25  Marc Glisse  <marc.glisse@inria.fr>
 
 	* gcc.dg/tree-ssa/alias-23.c: New file.

gcc/testsuite/g++.dg/template/pr58878.C

+// PR c++/58878
+
+// Template-members of non-template class
+struct A
+{
+    template <typename t>    // { dg-error "shadows" }
+        void f()
+        {
+            int t = 1;       // { dg-error "declaration" }
+        }
+
+    template <typename t>
+        void g();
+};
+
+template <typename t>        // { dg-error "shadows" }
+void A::g()
+{
+    int t = 2;               // { dg-error "declaration" }
+}
+
+// (Non-template) Members of template class
+template <typename t>        // { dg-error "shadows" }
+struct B
+{
+    void f()
+    {
+        int t = 3;           // { dg-error "declaration" }
+    }
+
+    void g();
+};
+
+template <typename t>        // { dg-error "shadows" }
+void B<t>::g()
+{
+    int t = 4;               // { dg-error "declaration" }
+}
+
+// Template members of template class
+template <typename t>        // { dg-error "shadows" }
+struct C
+{
+    template <typename s>    // { dg-error "shadows" }
+    void f()
+    {
+        int t = 5;           // { dg-error "declaration" }
+        int s = 6;           // { dg-error "declaration" }
+    }
+
+    template <typename s>
+    void g();
+};
+
+template <typename t>        // { dg-error "shadows" }
+template <typename s>        // { dg-error "shadows" }
+void C<t>::g()
+{
+    int t = 7;               // { dg-error "declaration" }
+    int s = 8;               // { dg-error "declaration" }
+}