[cfe-dev] [Patch] Refactor Sema::CppLookupName

[Sebastian Redl]

Douglas Gregor wrote:
> Hi Piotr,
>
> On Feb 6, 2009, at 2:29 AM, Piotr Rak wrote:
>   
>> 2009/2/5 Douglas Gregor <dgregor at apple.com>:
>>     
>>> Interesting, this test uncovered an unfortunate issue. Since we  
>>> added code
>>> to report ambiguous type-name lookups in Sema::getTypeName, we  
>>> actually get
>>> *two* sets of ambiguity diagnostics regarding
>>>
>>>       X();
>>>
>>>       
>> Do we want 'clang -verify' warn when such things happen? Now in such
>> case tests will silently passes.
>>     
>
> It would be helpful to teach -verify to do that, yes.
>
>   
How about something like

// expected-diag {{...}} -> allow the diagnostic 1+ times (in order to
not mess up current test cases)
// expected-diag 2 {{...}}} -> demand the diagnostic exactly twice

Sebastian