[libcxx-commits] [clang] [libcxx] [Clang][libc++] Implement C++23 std::start_lifetime_as (P2590R2, P2679R2) (PR #196286)

[A. Jiang via libcxx-commits]

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@@ -5914,3 +5914,54 @@ StringRef PredefinedSugarType::getName(Kind KD) {
   }
   llvm_unreachable("unexpected kind");
 }
+
+bool Type::isImplicitLifetimeType() const {
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frederick-vs-ja wrote:

Couldn't we just reuse the logic for `__builtin_implicit_lifetime` (see #101807)?

https://github.com/llvm/llvm-project/pull/196286