[cfe-dev] Invalid assert in lib/Sema/Lookup.h ?

[Eli Friedman]

On Mon, Aug 9, 2010 at 12:17 AM, EI <geneing at gmail.com> wrote:
> Hello,
> What is the meaning of this assert statement in Lookup.h?
>   void setNotFoundInCurrentInstantiation() {
>     assert(ResultKind == NotFound && Decls.empty());
>     ResultKind = NotFoundInCurrentInstantiation;
>   }
> I saw assert failing when compiling some code that includes Qt headers. I
> think the code I was compiling was actually missing some class definitions,
> so I was expecting to see an error - not a failing assert. Btw, in the
> debugger I see that ResultKind == NotFoundInCurrentInstantiation when assert
> statement is reached.

It roughly means that the caller thinks nothing was found when
something actually was found.  It's hard to say more without more
information; can you provide a preprocessed file which reproduces the
issue, or at least a backtrace?

-Eli