[clang-tools-extra] [clang-doc] Move Info types into arenas (PR #190054)

[Paul Kirth via cfe-commits]

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@@ -811,7 +838,8 @@ void Serializer::populateSymbolInfo(SymbolInfo &I, const T *D,
 }
 
 void Serializer::handleCompoundConstraints(
-    const Expr *Constraint, OwningVec<ConstraintInfo> &ConstraintInfos) {
+    const Expr *Constraint,
+    llvm::SmallVectorImpl<ConstraintInfo> &ConstraintInfos) {
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ilovepi wrote:

Exactly. SmallVectorImpl<T> is always preferred for interfaces anyway, per https://llvm.org/docs/ProgrammersManual.html#llvm-adt-smallvector-h.

https://github.com/llvm/llvm-project/pull/190054