~pali/llvm/compiler-rt-trunk

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  • Committer: dberris
  • Date: 2018-10-22 02:11:27 UTC
  • Revision ID: svn-v4:91177308-0d34-0410-b5e6-96231b3b80d8:compiler-rt/trunk:344880
[XRay] Handle allocator exhaustion in segmented array

Summary:
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.

Reviewers: mboerger, eizan

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D53484

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