[PATCH] D126907: Deferred Concept Instantiation Implementation Take 2

[Erich Keane via Phabricator via cfe-commits]

erichkeane added a comment.

In D126907#3565491 <https://reviews.llvm.org/D126907#3565491>, @ChuanqiXu wrote:

> Oh, the diff part is small really. The change looks good to me and I've tested it for libcxx.
>
> But it crashed at "clang/lib/Sema/SemaTemplateInstantiate.cpp:1852: clang::QualType {anonymous}::TemplateInstantiator::TransformTemplateTypeParmType(clang::TypeLocBuilder&, clang::TemplateTypeParmTypeLoc): Assertion `Arg.getKind() == TemplateArgument::Type && "Template argument kind mismatch"' failed" in an internal library. I am trying to get a reduced example. I would suggest to do more testing with other workloads (with libstdc++ >= 10)

Thanks so much for the feedback, and for running it!   I also checked out the basics of libcxx, and it worked fine (as well as SOME libstdc++ repros, but not extensively).  Any reproducer you could give me would be great!


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