[clang] [clang] Parse attribute [[gnu::no_stack_protector]] (PR #75289)

[Yingchi Long via cfe-commits]

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+// RUN: %clang_cc1 -fsyntax-only -verify -std=c23 %s
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inclyc wrote:

I just noticed that we already have test file at `clang/test/Sema/no_stack_protector.c`, may be just update that file.

> No other single attribute has its dedicated test file under the test directory.

No, just see `no_stack_protector.c`.

https://github.com/llvm/llvm-project/pull/75289