steveire added a comment.

In D56444#1351247 <https://reviews.llvm.org/D56444#1351247>, @sammccall wrote:

> In D56444#1351174 <https://reviews.llvm.org/D56444#1351174>, @steveire wrote:
>
> > Yes - don't use RAV to traverse parents when AST-matching.
>
>
> OK, this is certainly a much more invasive change, and isn't going to make 
> the release.
>  I understand that you don't think this crash is worth fixing for 8.0, while 
> others disagree.


Actually, I was trying to explain what can come in the future in response to a 
question, but I replied with a stronger-looking opinion than I intended.

I don't mind a non-invasive change like this going in now/soon, but I oppose 
more-drastic changes right now.

> However, such nodes are very easy to reach, inside or outside of a matcher.
>  e.g. `callExpr(callee(functionDecl()))` will match a lambda call, and "func" 
> will be the `operator()`.
>  Having such nodes then not work with parent/ancestor matchers seems 
> surprising and not **obviously** the best design choice (vs e.g. visiting all 
> nodes including implicit, or breaking symmetry between downward and upward 
> traversal).

I believe I have a solution to this, but this is not the place to discuss it. 
We can discuss it when I propose that patch :). I'll be sure to add you to the 
review.


Repository:
  rC Clang

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D56444/new/

https://reviews.llvm.org/D56444



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