[PATCH] D48250: [sanitizer_common] Use O_TRUNC for WrOnly access mode.

[Fangrui Song via Phabricator via llvm-commits]

MaskRay added a comment.

Thanks for informing me of the `check-sanitizer` target. 64 `SanitizerCommon-lsan-i386-Linux` tests already fail before this revision. All other tests pass.


Repository:
  rCRT Compiler Runtime

https://reviews.llvm.org/D48250