================
@@ -443,9 +443,15 @@ struct TargetFinder {
Outer.add(TST->getAliasedType(), Flags | Rel::Underlying);
// Don't *traverse* the alias, which would result in traversing the
// template of the underlying type.
- Outer.report(
- TST->getTemplateName().getAsTemplateDecl()->getTemplatedDecl(),
- Flags | Rel::Alias | Rel::TemplatePattern);
+
+ // Builtin templates e.g. __make_integer_seq, __type_pack_element
+ // are such that they don't have alias *decls*. Even then, we still
+ // traverse their desugared *types* so that instantiated decls are
+ // collected.
+ if (NamedDecl *D = TST->getTemplateName()
----------------
hokein wrote:
nit: maybe write the code like below, being explicit about the builtin template
cases.
```
const TemplateDecl *TD = TST->getTemplateName().getAsTemplateDecl();
if (isa<BuiltinTemplateDecl>(TD))
return;
...
```
https://github.com/llvm/llvm-project/pull/78466
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