From: Jason Merrill <jason@redhat.com>
To: gcc-patches List <gcc-patches@gcc.gnu.org>
Subject: Re: C++ PATCH for c++/47721 (N1791, friend T)
Date: Fri, 27 May 2011 07:35:00 -0000 [thread overview]
Message-ID: <4DDF2180.9050408@redhat.com> (raw)
In-Reply-To: <4DDF2129.8010608@redhat.com>
[-- Attachment #1: Type: text/plain, Size: 212 bytes --]
And as a prerequisite for that testcase, I needed to implement DR 1004,
dropping the pedwarn about using an injected class name as a template
template parameter.
Tested x86_64-pc-linux-gnu, applying to trunk.
[-- Attachment #2: dr1004.patch --]
[-- Type: text/x-patch, Size: 871 bytes --]
commit 0407c6ff58d0e7033de64040ce66d60a85b709e5
Author: Jason Merrill <jason@redhat.com>
Date: Thu May 26 15:00:08 2011 -0400
DR 1004
* pt.c (convert_template_argument): Don't complain about using
injected-class-name as template template argument.
diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c
index 3b26700..28c82b8 100644
--- a/gcc/cp/pt.c
+++ b/gcc/cp/pt.c
@@ -5962,7 +5962,9 @@ convert_template_argument (tree parm,
tree t = maybe_get_template_decl_from_type_decl (TYPE_NAME (arg));
if (TREE_CODE (t) == TEMPLATE_DECL)
{
- if (complain & tf_warning_or_error)
+ if (cxx_dialect >= cxx0x)
+ /* OK under DR 1004. */;
+ else if (complain & tf_warning_or_error)
pedwarn (input_location, OPT_pedantic, "injected-class-name %qD"
" used as template template argument", TYPE_NAME (arg));
else if (flag_pedantic_errors)
prev parent reply other threads:[~2011-05-27 3:59 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-27 7:32 Jason Merrill
2011-05-27 7:35 ` Jason Merrill [this message]
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