[PATCH] D13786: [Sema] Implement __make_integer_seq

[David Majnemer via cfe-commits]

majnemer added a comment.

@rsmith, I've kept the caching of the `BuiltinTemplateDecl` for `__make_integer_seq` as we keep falling into the `LookupBuiltin`. Is there more that must be done to get "normal" lookups to find the decl?


http://reviews.llvm.org/D13786