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Clang crash on improper use of __array_extent #80474

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philnik777 opened this issue Feb 2, 2024 · 1 comment · Fixed by #94173
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Clang crash on improper use of __array_extent #80474

philnik777 opened this issue Feb 2, 2024 · 1 comment · Fixed by #94173
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clang:frontend Language frontend issues, e.g. anything involving "Sema" crash-on-invalid

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@philnik777
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Clang crashes on

auto test() {
  return __array_extent(int, );
}

https://godbolt.org/z/3Wa51enP9
@philnik777 philnik777 added clang:frontend Language frontend issues, e.g. anything involving "Sema" crash-on-invalid labels Feb 2, 2024
@llvmbot
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llvmbot commented Feb 2, 2024

@llvm/issue-subscribers-clang-frontend

Author: Nikolas Klauser (philnik777)

Clang crashes on ```c++ auto test() { return __array_extent(int, ); } ``` https://godbolt.org/z/3Wa51enP9

@a-tarasyuk a-tarasyuk mentioned this issue Jun 2, 2024
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Sirraide pushed a commit that referenced this issue Jun 3, 2024
@a-tarasyuk
[Clang] Fix crash on improper use of __array_extent (#94173)
27fe526 
Check whether parsing of the argument failed before attempting
to build the expression. 

Fixes #80474.
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[Clang] Fix crash on improper use of __array_extent a-tarasyuk/llvm-project
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