================
@@ -18069,6 +18069,34 @@ Decl
*Sema::BuildStaticAssertDeclaration(SourceLocation StaticAssertLoc,
return Decl;
}
+bool Sema::CheckDependentFriend(SourceLocation Loc, NestedNameSpecifier NNS,
+ TemplateParameterList *FPL) {
+ if (!NNS || !FPL || FPL->size() == 0)
+ return false;
+
+ if (NNS.isDependent()) {
+ if (NNS.getKind() == NestedNameSpecifier::Kind::Type) {
+ QualType T(NNS.getCanonical().getAsType(), 0);
+
+ if (const auto *PIT = dyn_cast<PackIndexingType>(T))
+ T = PIT->getPattern();
+
+ if (const auto *TST = dyn_cast<TemplateSpecializationType>(T)) {
+ if (isa<ClassTemplateDecl>(TST->getTemplateName().getAsTemplateDecl()))
+ return false;
----------------
mizvekov wrote:
This could blow up if the template name is a DependentTemplateName or some
other kind, For example `T::template X<int>`, you may want to add a
corresponding test case, and change this to an `isa_and_not_null` check.
https://github.com/llvm/llvm-project/pull/191268
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