r183722 - Implement DR85: Redeclaration of member is forbidden

[David Majnemer]

That's just some unicode that accidentally got committed. Cleaned up in
r183725.


On Mon, Jun 10, 2013 at 11:03 PM, Eli Friedman <eli.friedman at gmail.com>wrote:

> On Mon, Jun 10, 2013 at 8:51 PM, David Majnemer <david.majnemer at gmail.com>wrote:
>
>> Author: majnemer
>> Date: Mon Jun 10 22:51:23 2013
>> New Revision: 183722
>>
>> URL: http://llvm.org/viewvc/llvm-project?rev=183722&view=rev
>> Log:
>> Implement DR85: Redeclaration of member is forbidden
>>
>> Disallow the existence of a declaration of a member class that isn't a
>> forward declaration before it's definition.
>>
>> Modified:
>>     cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td
>>     cfe/trunk/lib/Sema/SemaDecl.cpp
>>     cfe/trunk/test/CXX/drs/dr0xx.cpp
>>     cfe/trunk/test/SemaCXX/access.cpp
>>     cfe/trunk/test/SemaTemplate/dependent-names.cpp
>>     cfe/trunk/test/SemaTemplate/instantiate-member-class.cpp
>>     cfe/trunk/www/cxx_dr_status.html
>>
>> Modified: cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td
>> URL:
>> http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td?rev=183722&r1=183721&r2=183722&view=diff
>>
>> ==============================================================================
>> --- cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td (original)
>> +++ cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td Mon Jun 10
>> 22:51:23 2013
>> @@ -4241,6 +4241,8 @@ def note_enum_specialized_here : Note<
>>    "enum %0 was explicitly specialized here">;
>>
>>  def err_member_redeclared : Error<"class member cannot be redeclared">;
>> +def ext_member_redeclared : ExtWarn<"class member cannot be redeclared">,
>> +  InGroup<GNU>;
>>  def err_member_redeclared_in_instantiation : Error<
>>    "multiple overloads of %0 instantiate to the same signature %1">;
>>  def err_member_name_of_class : Error<"member %0 has the same name as its
>> class">;
>>
>> Modified: cfe/trunk/lib/Sema/SemaDecl.cpp
>> URL:
>> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaDecl.cpp?rev=183722&r1=183721&r2=183722&view=diff
>>
>> ==============================================================================
>> --- cfe/trunk/lib/Sema/SemaDecl.cpp (original)
>> +++ cfe/trunk/lib/Sema/SemaDecl.cpp Mon Jun 10 22:51:23 2013
>> @@ -9885,6 +9885,16 @@ Decl *Sema::ActOnTag(Scope *S, unsigned
>>              return TUK == TUK_Declaration ? PrevTagDecl : 0;
>>          }
>>
>> +        // C++11 [class.mem]p1:
>> +        //   A member shall not be declared twice in the member-speciï¬
>> cation,
>> +        //   except that a nested class or member class template can be
>> declared
>> +        //   and then later defined.
>>
>
> I'm not entirely sure how you managed to write "speciï¬ cation", but I'm
> pretty sure that isn't what the standard says.
>
> -Eli
>
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