================
@@ -2471,45 +2472,51 @@ class ClassTemplateDecl : public
RedeclarableTemplateDecl {
/// template \<typename U> friend class Foo<T>::Nested; // friend template
/// };
/// \endcode
-///
-/// \note This class is not currently in use. All of the above
-/// will yield a FriendDecl, not a FriendTemplateDecl.
-class FriendTemplateDecl : public Decl {
- virtual void anchor();
-
-public:
- using FriendUnion = llvm::PointerUnion<NamedDecl *,TypeSourceInfo *>;
+class FriendTemplateDecl final
+ : public FriendDecl,
+ private llvm::TrailingObjects<FriendTemplateDecl,
+ TemplateParameterList *> {
+ void anchor() override;
private:
- // The number of template parameters; always non-zero.
- unsigned NumParams = 0;
+ unsigned NumTPLists : 31;
----------------
zwuis wrote:
No need to use bit-fields now.
https://github.com/llvm/llvm-project/pull/191268
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