[compiler-rt] Avoid instrumenting sanitizer functions
Summary:
Function __asan_default_options is called by __asan_init before the
shadow memory got initialized. Instrumenting that function may lead
to flaky execution.
As the __asan_default_options is provided by users, we cannot expect
them to add the appropriate function atttributes to avoid
instrumentation.
Reviewers: kcc, rnk
Subscribers: dberris, chrisha, llvm-commits
Differential Revision: https://reviews.llvm.org/D24566
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281503
91177308-0d34-0410-b5e6-
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