[PATCH] D34845: [LSan] Make LSan allocator allocator_may_return_null compliant

[Aleksey Shlyapnikov via Phabricator via llvm-commits]

alekseyshl created this revision.

An attempt to reland https://reviews.llvm.org/D34786 (which caused bot failres on Mac), now with
properly intercepted operators new() and delete().

LSan allocator used to always return nullptr on too big allocation requests
(the definition of "too big" depends on platform and bitness), now it
follows policy configured by allocator_may_return_null flag


https://reviews.llvm.org/D34845

Files:
  lib/lsan/lsan_allocator.cc
  lib/lsan/lsan_interceptors.cc
  test/lsan/TestCases/allocator_returns_null.cc

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