[PATCH] D54599: [Profile] Avoid race condition when dumping GCDA files.

[calixte via Phabricator via llvm-commits]

calixte updated this revision to Diff 174508.
calixte added a comment.

- Update code to take into account what's wrong when fd==-1
- Add a test for GCOV_PREFIX


Repository:
  rCRT Compiler Runtime

https://reviews.llvm.org/D54599

Files:
  lib/profile/GCDAProfiling.c
  lib/profile/InstrProfilingUtil.c
  test/profile/Inputs/instrprof-gcov-prefix.c
  test/profile/Posix/instrprof-gcov-prefix.test

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