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svdschoot-wefabricate opened this issue Oct 6, 2023 · 0 comments · Fixed by #68510
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clang-tidy crash #68412

svdschoot-wefabricate opened this issue Oct 6, 2023 · 0 comments · Fixed by #68510
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clang:dataflow Clang Dataflow Analysis framework - https://clang.llvm.org/docs/DataFlowAnalysisIntro.html clang-tidy crash Prefer [crash-on-valid] or [crash-on-invalid]

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svdschoot-wefabricate commented Oct 6, 2023 •
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Got a segmentation fault during bugprone-unchecked-optional-access using clang-tidy version 17.0.2.
Full output: error.log
@PiotrZSL PiotrZSL added the clang:dataflow Clang Dataflow Analysis framework - https://clang.llvm.org/docs/DataFlowAnalysisIntro.html label Oct 6, 2023
@EugeneZelenko EugeneZelenko added the crash Prefer [crash-on-valid] or [crash-on-invalid] label Oct 7, 2023
@jcsxky jcsxky mentioned this issue Oct 8, 2023
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@PiotrZSL PiotrZSL linked a pull request Oct 10, 2023 that will close this issue
[clang][dataflow]Use cast_or_null instead of cast to prevent crash #68510
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jcsxky added a commit that referenced this issue Oct 21, 2023
@jcsxky
[clang][dataflow]Use cast_or_null instead of cast to prevent crash (#…
14bc11a 
…68510)

`getStorageLocation` may return `nullptr` and this will produce crash
when use `cast`, use `dyn_cast_or_null` instead. I test it locally using
[FTXUI](https://github.com/ArthurSonzogni/FTXUI) and it may be the cause
of issue [issue](#68412), but
I am not sure.

Co-authored-by: huqizhi <huqizhi@[email protected]>
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clang:dataflow Clang Dataflow Analysis framework - https://clang.llvm.org/docs/DataFlowAnalysisIntro.html clang-tidy crash Prefer [crash-on-valid] or [crash-on-invalid]
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[clang][dataflow]Use cast_or_null instead of cast to prevent crash jcsxky/llvm-project
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@PiotrZSL @EugeneZelenko @svdschoot-wefabricate