[PATCH] D11284: [Sanitizer] Teach ReadFileToBuffer to distinguish empty file from inaccessible file.

[Alexey Samsonov]

samsonov created this revision.
samsonov added a reviewer: kcc.
samsonov added a subscriber: llvm-commits.

This fixes https://code.google.com/p/address-sanitizer/issues/detail?id=399
(sanitizers crash with empty suppression files).

http://reviews.llvm.org/D11284

Files:
  lib/sanitizer_common/sanitizer_common.cc
  lib/sanitizer_common/sanitizer_common.h
  lib/sanitizer_common/sanitizer_flags.cc
  lib/sanitizer_common/sanitizer_linux.cc
  lib/sanitizer_common/sanitizer_procmaps_common.cc
  lib/sanitizer_common/sanitizer_procmaps_linux.cc
  lib/sanitizer_common/sanitizer_suppressions.cc
  test/lsan/TestCases/suppressions_file.cc

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