[PATCH] D125776: [llvm-debuginfo-analyzer] 01 - Interval tree

Wed Sep 28 03:26:28 PDT 2022

antondaubert added a comment.

In D125776#3818052 <https://reviews.llvm.org/D125776#3818052>, @CarlosAlbertoEnciso wrote:

> I will investigate it on a local debug build.
> Can you provide me with more information on you local build environment:
> CMake command line, platform, compiler, etc.
>
> Thanks

Our build setup is based on the internal version of bazel. As mentioned I was able to reproduce this failure in around 80% in debug build. Maybe it is related to the usage of std::sort. Consider looking into https://libcxx.llvm.org/DesignDocs/UnspecifiedBehaviorRandomization.html. We have _LIBCPP_DEBUG_RANDOMIZE_UNSPECIFIED_STABILITY enabled in our debug builds specifically to find this sort of a reliance on a specific ordering of partially ordered elements after std::sort.

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https://reviews.llvm.org/D125776