================
@@ -5185,9 +5189,24 @@ void Sema::InstantiateFunctionDefinition(SourceLocation
PointOfInstantiation,
RebuildTypeSourceInfoForDefaultSpecialMembers();
SetDeclDefaulted(Function, PatternDecl->getLocation());
} else {
+ NamedDecl *ND = Function;
+ std::optional<ArrayRef<TemplateArgument>> Innermost;
+ if (auto *Primary = Function->getPrimaryTemplate();
+ Primary &&
+ !isGenericLambdaCallOperatorOrStaticInvokerSpecialization(Function)) {
+ ND = *llvm::find_if(Primary->redecls(),
+ [](const RedeclarableTemplateDecl *RTD) {
+ auto *FTD = cast<FunctionTemplateDecl>(RTD);
+ return FTD->isInstantiatedFromDefinition() ||
+ FTD->isThisDeclarationADefinition();
+ });
----------------
mizvekov wrote:
We are finding one declaration within all the redeclarations of the primary
template.
The list of redeclarations can't have a null element in it.
Otherwise, if you meant a null iterator, we shouldn't get here without a
definition, as we should have diagnosed that before.
We could perhaps add a null check for that. Is that what you meant?
https://github.com/llvm/llvm-project/pull/110387
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