[PATCH] D48348: [ADT] Add zip_longest iterators.

[Michael Kruse via Phabricator via llvm-commits]

Meinersbur updated this revision to Diff 176513.
Meinersbur marked an inline comment as done.
Meinersbur added a comment.

- Use brace initialization for Optional<StringRef>


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D48348/new/

https://reviews.llvm.org/D48348

Files:
  include/llvm/ADT/STLExtras.h
  unittests/ADT/IteratorTest.cpp

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