================
@@ -522,6 +522,12 @@ enum class TemplateSubstitutionKind : char {
llvm::PointerUnion<Decl *, DeclArgumentPack *> *
findInstantiationOf(const Decl *D);
+ /// Similar to \p findInstantiationOf(), but it wouldn't assert if the
+ /// instantiation was not found within the current instantiation scope.
This
+ /// is helpful for on-demand declaration instantiation.
+ llvm::PointerUnion<Decl *, DeclArgumentPack *> *
+ findInstantiationUnsafe(const Decl *D);
----------------
zyn0217 wrote:
I renamed it to `getInstantiationOfIfExists.`
> Finally, as interface, is there a reason these are returning a pointer to a
> pointer union?
It's pre-existing, we track the instantiated decls and packs together within a
map.
Refactoring the interface (either the return type or the name) would bring a
lot of churn, for which I think merits a separate PR.
https://github.com/llvm/llvm-project/pull/122423
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