Snehasish Kumar 787a5efb02 [memprof] Fix use-after-free in peekBuildIds. ...

To check the uniqueness of buildids, we held on to a StringRef of the build id string pushed into the vector. If the number of build ids were large enough to trigger a realloc in the vector then these references where invalidated resulting in a use-after free. This was exposed in downstream usage.

Reviewed By: tejohnson

Differential Revision: https://reviews.llvm.org/D155110

2023-07-12 21:21:35 +00:00

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