Package: llvm-11
Version: 1:11.0.0-5+b1
Severity: normal

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Seems LLVM and binaryen is out of sync, causing some code compilations
to fail with emscripten: https://bugs.debian.org/975069

Seems that some renaming of "emscripten EH functions" was previously
done by binaryen and more recently in LLVM - binaryen 98 is too new to
do it and LLVM is too old to do it:
https://github.com/llvm/llvm-project/commit/3bba91f64eef15956f589fa446c265a714cc7893

Emscripten upstream generally use bleeding edge unreleased LLVM and
binaryen which is obviously not possible with Debian.  Their suggestion
is to alternatively use the last release of emscripten known to work
with LLVM 11, but I strongly suspect that it requires using older
releases of binayen (and possibly other tools as well) - i.e. again
an approach less suitable for Debian.

Seems to me that -  - the least invasive solution is to have
LLVM 11 

Assuming my understanding of the above is correct, the least invasive
solution seems to be to have llvm-11 cherry-pick the LLVM patch to
handle this "emscripten EH functions" renaming:
https://github.com/llvm/llvm-project/commit/3bba91f64eef15956f589fa446c265a714cc7893

What do you think?  Are you willing to carry such patch?

 - Jonas

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