[PATCH] D34563: [ubsan] Disable the object-size check at -O0

[Vedant Kumar via Phabricator via cfe-commits]

vsk updated this revision to Diff 103778.
vsk added a comment.

Add a diagnostic for users who explicitly turn the object-size check on at -O0, and tighten up the test a bit.


https://reviews.llvm.org/D34563

Files:
  include/clang/Basic/DiagnosticDriverKinds.td
  lib/Driver/SanitizerArgs.cpp
  test/Driver/fsanitize-object-size.c
  test/Driver/fsanitize.c

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