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.. _bug-reports:
=============
Bug Reporting
=============
All bugs should be filed in the GitHub `main
<https://github.com/emscripten-core/emscripten>`_ Emscripten repository `Issue
Tracker <https://github.com/emscripten-core/emscripten/issues?state=open>`_.
Please supply as much relevant information as possible, including:
- Original source code.
- Generated bitcode (**.bc**, **.o** or **.ll**)
- Environment information — including *emcc* and *clang* versions (as reported by ``emcc -v``).
- Error symptoms.
- Proposed solutions, ideally with a pull request.
.. Tip:: Compile with ``EMCC_DEBUG=1`` and grab the
**/tmp/emscripten_temp/emcc-\*** files (these include the bitcode and
JavaScript in several stages). Note that the **emscripten_temp** directory
should be emptied manually first, so it only contains new content!
LLVM, wasm-ld, clang, Binaryen bugs
===================================
If uncertain, bugs can always be posted to the `main repository
<https://github.com/emscripten-core/emscripten>`_. But if you are sure a bug is
in an upstream project, you can file it there:
- `LLVM bug tracker <https://bugs.llvm.org/>`_ . For most issues use the
"libraries" product and the "Backend: WebAssembly" component. For wasm-ld
issues, use "lld" and "wasm".
- `Binaryen bug tracker <https://github.com/WebAssembly/binaryen/issues>`_
Pull requests must (of course) go to the proper repository.
.. _site-and-documentation-bug-reports:
Site and documentation bugs
===========================
Documentation (site) bugs should be filed in the same `Issue Tracker
<https://github.com/emscripten-core/emscripten/issues?state=open>`_.
Include relevant information including:
- The URL and title of the affected page(s).
- A description of the problem.
- Suggestions for a possible solution.
.. tip:: The `Page bug <https://github.com/emscripten-core/emscripten/issues/new?title=Bug%20in%20page:How%20to%20Report%20Bugs%20%28under-construction%29%20&body=REPLACE%20THIS%20TEXT%20WITH%20BUG%20DESCRIPTION%20%0A%0AURL:%20../../docs/site/Bug-Reports&labels=bug>`_ link on the bottom-right of every page opens the Issue Tracker pre-seeded with the current page URL and title.
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