[clang] [Clang][ExprConstant] Normalize aux target builtin IDs before dispatch (PR #201805)

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yaohuihan-iluvatar wrote:

> Please also update new interpreter (clang/lib/AST/ByteCode; -fexperimental-new-constant-interpreter; see https://discourse.llvm.org/t/updating-expectations-for-the-new-constexpr-engine/88853 .)

so should I make a new PR, or do in this PR?
Please also take a  look. @tbaederr 

https://github.com/llvm/llvm-project/pull/201805