[PATCH] D19832: [esan] Use do-while rather than braces for empty interceptors

[Derek Bruening via llvm-commits]

bruening created this revision.
bruening added a reviewer: filcab.
bruening added subscribers: zhaoqin, llvm-commits.
Herald added a subscriber: kubabrecka.

Replaces {} with a do..while sequence in esan's empty interceptors to allow
natural use with a trailing semicolon.  The sequence uses each argument to
avoid warnings.

http://reviews.llvm.org/D19832

Files:
  lib/esan/esan_interceptors.cpp

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