[PATCH] D22312: [MC] Cleanup Assembly directive parsing handling of newlines

[Nirav Dave via llvm-commits]

niravd created this revision.
niravd added reviewers: rnk, majnemer.
niravd added a subscriber: llvm-commits.

Consume trailing newlines as part of directive parsing to remove
unecessary lines in output.

http://reviews.llvm.org/D22312

Files:
  lib/MC/MCAsmStreamer.cpp
  lib/MC/MCParser/AsmParser.cpp
  lib/MC/MCParser/ELFAsmParser.cpp
  test/MC/AsmParser/preserve-comments.s

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