================
@@ -507,10 +507,62 @@ static TemplateDeductionResult
DeduceNonTypeTemplateArgument(
S, TemplateParams, NTTP, DeducedTemplateArgument(New), T, Info, Deduced);
}
+static NamedDecl *DeduceTemplateArguments(Sema &S, NamedDecl *A,
+ TemplateArgument Default) {
+ switch (A->getKind()) {
+ case Decl::TemplateTypeParm: {
+ auto *T = cast<TemplateTypeParmDecl>(A);
+ // FIXME: DefaultArgument can't represent a pack.
+ if (T->isParameterPack())
+ return A;
+ auto *R = TemplateTypeParmDecl::Create(
+ S.Context, A->getDeclContext(), SourceLocation(), SourceLocation(),
+ T->getDepth(), T->getIndex(), T->getIdentifier(),
+ T->wasDeclaredWithTypename(), /*ParameterPack=*/false,
+ T->hasTypeConstraint());
+ R->setDefaultArgument(
+ S.Context.getTrivialTypeSourceInfo(Default.getAsType()));
+ if (R->hasTypeConstraint()) {
+ auto *C = R->getTypeConstraint();
+ R->setTypeConstraint(C->getConceptReference(),
+ C->getImmediatelyDeclaredConstraint());
----------------
mizvekov wrote:
It's the same tests I linked in the other thread:
https://github.com/llvm/llvm-project/blob/15f02723d49be9a828fbf072966a225babd60457/clang/test/CXX/temp/temp.decls/temp.fct/temp.func.order/p6.cpp#L48
https://github.com/llvm/llvm-project/pull/89807
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