[PATCH] D39203: [raw_fd_ostream] report actual error in error messages

[Bob Haarman via Phabricator via llvm-commits]

inglorion created this revision.
Herald added subscribers: hiraditya, mehdi_amini.

Previously, we would emit error messages like "IO failure on output
stream". This change causes use to include information about what
actually went wrong, e.g. "No space left on device".


https://reviews.llvm.org/D39203

Files:
  llvm/include/llvm/Support/LockFileManager.h
  llvm/include/llvm/Support/raw_ostream.h
  llvm/lib/IR/Core.cpp
  llvm/lib/LTO/LTOCodeGenerator.cpp
  llvm/lib/Support/LockFileManager.cpp
  llvm/lib/Support/raw_ostream.cpp

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