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`_Alignas` not allowed on declarations with `register` storage class #814

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Vexu opened this issue Dec 31, 2024 · 0 comments

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bug

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Vexu commented Dec 31, 2024

void foo(void) {
    register _Alignas(8) int a;
}

$ arocc a.c -fsyntax-only
$ clang a.c -fsyntax-only
a.c:20:14: error: '_Alignas' attribute cannot be applied to a variable with 'register' storage class
   20 |     register _Alignas(8) int a;
      |              ^
1 error generated.

Vexu added the bug label

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