[PATCH] D48966: [Support] Make Error and formatv_object_base printable with formatv().

[Sam McCall via Phabricator via llvm-commits]

sammccall updated this revision to Diff 154254.
sammccall added a comment.

Simplify approach, just allow printing anything with operator<< as a fallback.
This reduces coupling and makes more types printable (proved useful/necessary for clangd logging refactor).


Repository:
  rL LLVM

https://reviews.llvm.org/D48966

Files:
  include/llvm/Support/Error.h
  include/llvm/Support/FormatProviders.h
  include/llvm/Support/FormatVariadic.h
  include/llvm/Support/FormatVariadicDetails.h
  unittests/Support/FormatVariadicTest.cpp

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