[PATCH] D43664: Fail early if an output file is not writable.

[Rui Ueyama via Phabricator via llvm-commits]

ruiu created this revision.
ruiu added a reviewer: zturner.
Herald added subscribers: arichardson, mgorny, emaste.

Fixes https://bugs.llvm.org/show_bug.cgi?id=36478


https://reviews.llvm.org/D43664

Files:
  lld/COFF/Driver.cpp
  lld/Common/CMakeLists.txt
  lld/Common/Filesystem.cpp
  lld/ELF/CMakeLists.txt
  lld/ELF/Driver.cpp
  lld/ELF/Filesystem.cpp
  lld/ELF/Filesystem.h
  lld/ELF/Writer.cpp
  lld/include/lld/Common/Filesystem.h
  lld/test/COFF/driver.test

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