================
@@ -3406,25 +3406,39 @@ static QualType checkBuiltinTemplateIdType(
Sema &SemaRef, ElaboratedTypeKeyword Keyword, BuiltinTemplateDecl *BTD,
ArrayRef<TemplateArgument> Converted, SourceLocation TemplateLoc,
TemplateArgumentListInfo &TemplateArgs) {
+ TemplateParameterList *Params = BTD->getTemplateParameters();
+ unsigned RequiredArgs = Params->size();
+ if (Params->hasParameterPack()) {
+ if (Converted.size() < RequiredArgs)
+ return QualType();
+ } else {
+ if (Converted.size() != RequiredArgs)
+ return QualType();
+ }
----------------
mizvekov wrote:
By the way, returning a null type is not signaling an error, this always means
"stay dependent".
If you want to signal an error, then you should produce a diagnostic.
https://github.com/llvm/llvm-project/pull/180407
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