[clang] [Clang] Added explanation why a is trivial copyable evaluated to false. (PR #142341)

[Erich Keane via cfe-commits]

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@@ -1922,6 +1924,7 @@ static std::optional<TypeTrait> StdNameToTypeTrait(StringRef Name) {
   return llvm::StringSwitch<std::optional<TypeTrait>>(Name)
       .Case("is_trivially_relocatable",
             TypeTrait::UTT_IsCppTriviallyRelocatable)
+      .Case("is_trivially_copyable", TypeTrait::UTT_IsTriviallyCopyable)
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erichkeane wrote:

2 isnt the number, but at a certain number of entries here, we're going to want to tablegen/.def file this.  Perhaps in `TokenKinds.def`?

https://github.com/llvm/llvm-project/pull/142341