[clang] [llvm] [Clang][C++23] Core language changes from P1467R9 extended floating-point types and standard names. (PR #78503)

[Joshua Cranmer via llvm-commits]

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@@ -132,6 +133,70 @@ template <> struct llvm::DenseMapInfo<llvm::FoldingSetNodeID> {
     return LHS == RHS;
   }
 };
+constexpr unsigned CXX23FloatRankToIndex(clang::BuiltinType::Kind Kind) {
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jcranmer-intel wrote:

This function appears to be unused now.

https://github.com/llvm/llvm-project/pull/78503