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Enable llvm address sanitizer #4426

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kateinoigakukun opened this issue Apr 6, 2022 · 0 comments
Open

Enable llvm address sanitizer #4426

kateinoigakukun opened this issue Apr 6, 2022 · 0 comments

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@kateinoigakukun
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kateinoigakukun commented Apr 6, 2022 •
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Motivation

To provide better diagnostics for memory-related issues.

Detailed context

Currently, we have a simple stack sanitizer by binary transformation, but this is a little bit fragile approach (e.g. assuming sp at globals[0], LLVM prologue, ...).
LLVM's address sanitizer is more reliable and Swift toolchain supports it on other platforms, so I think it's worth thinking about moving into it.
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