[all-commits] [llvm/llvm-project] f2b7d9: Support: Allow use of MemoryBufferRef with line_it...

[Duncan P. N. Exon Smith via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: f2b7d9f7faa2788e362a91761a1624fb6b020851
      https://github.com/llvm/llvm-project/commit/f2b7d9f7faa2788e362a91761a1624fb6b020851
  Author: Duncan P. N. Exon Smith <dexonsmith at apple.com>
  Date:   2020-10-13 (Tue, 13 Oct 2020)

  Changed paths:
    M llvm/include/llvm/Support/LineIterator.h
    M llvm/lib/Support/LineIterator.cpp
    M llvm/unittests/Support/LineIteratorTest.cpp

  Log Message:
  -----------
  Support: Allow use of MemoryBufferRef with line_iterator

Split out from https://reviews.llvm.org/D66782, use `Optional<MemoryBufferRef>`
in `line_iterator` so you don't need access to a `MemoryBuffer*`.  Follow up
patches in `clang/` will leverage this.

Differential Revision: https://reviews.llvm.org/D89280