[PATCH] D126907: Deferred Concept Instantiation Implementation Take 2

[Chuanqi Xu via Phabricator via cfe-commits]

ChuanqiXu added a comment.

In D126907#3566633 <https://reviews.llvm.org/D126907#3566633>, @erichkeane wrote:

> All of the comments from @ChuanqiXu done, thank you so much!
>
> As far as the crash you're seeing: That is typically a 'depth mismatch' kinda thing.  They sadly only show up when the types of the template arguments are different (that is, pack vs integral vs type), but I thought I got all of them with examples.
>
> I'll keep hunting for more during the day today, but any amount of reproducer you can provide (even if not minimized) would be incredibly helpful!

Oh, if a not minimized reproducer is desired, you could find it at: https://github.com/alibaba/async_simple. It should crash when we run 'make' in build directory. (The version of libstdc++ is 10.2 in my environment)

I would try to make a reduced example in the next week if we don't go on smoothly.


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