[Bug c++/68434] [concepts] ICE: same canonical type node for different types

[eric.niebler at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68434

Eric Niebler <eric.niebler at gmail dot com> changed:

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--- Comment #1 from Eric Niebler <eric.niebler at gmail dot com> ---
Created attachment 36788
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36788&action=edit
More complicated repro scenario

I just his this problem, too. I'm attaching an additional unreduced test case,
in case it helps.