[PATCH] D53484: [XRay] Handle allocator exhaustion in segmented array

[Dean Michael Berris via Phabricator via llvm-commits]

dberris created this revision.
dberris added reviewers: mboerger, eizan.

This change allows us to handle allocator exhaustion properly in the
segmented array implementation. Before this change, we relied on the
caller of the `trim` function to provide a valid number of elements to
trim. This change allows us to do the right thing in case the elements
to trim is greater than the size of the container.


https://reviews.llvm.org/D53484

Files:
  compiler-rt/lib/xray/tests/unit/segmented_array_test.cc
  compiler-rt/lib/xray/tests/unit/test_helpers.h
  compiler-rt/lib/xray/xray_segmented_array.h

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