https://bugs.kde.org/show_bug.cgi?id=481733

--- Comment #3 from camille.bru...@laposte.net ---
I am on holidays without access to a computer this week (writing it on my
phone).
About the use of the GS register the wamr jit (ab)use it for the loads and
stores into the wasm linear memory:
https://github.com/bytecodealliance/wasm-micro-runtime/blob/169e1648156d008825831fb00d5e3acbe021b480/product-mini/platforms/posix/main.c#L65

Note that I fixed the latest docker image disabling the use of this register in
the libvmcore so you won't have the issue with the latest code.

It seems a patch exists for valgrind to support the fsgsbase instructions:
https://davejingtian.org/2018/07/07/hacking-valgrind/

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