[clang] [clang][bytecode] Diagnose reference to non-constexpr variable of const type in C23 constexpr (PR #112211)

[via cfe-commits]

yronglin wrote:

Thanks for the review! IIUC, seems the failed test `Clang :: Driver/hip-partial-link.hip (10952 of 21294)` was not caused by this PR. It's looks strange.

https://github.com/llvm/llvm-project/pull/112211