lib/Sema/SemaTemplateInstantiateDecl.cpp

3509     VarDecl *NewVar, VarDecl *OldVar,
3521     NewVar->setLocalExternDecl();
3522     NewVar->setLexicalDeclContext(Owner);
3524     NewVar->setLexicalDeclContext(OldVar->getLexicalDeclContext());
3525   NewVar->setTSCSpec(OldVar->getTSCSpec());
3526   NewVar->setInitStyle(OldVar->getInitStyle());
3527   NewVar->setCXXForRangeDecl(OldVar->isCXXForRangeDecl());
3528   NewVar->setConstexpr(OldVar->isConstexpr());
3529   NewVar->setInitCapture(OldVar->isInitCapture());
3530   NewVar->setPreviousDeclInSameBlockScope(
3532   NewVar->setAccess(OldVar->getAccess());
3536       NewVar->setIsUsed();
3537     NewVar->setReferenced(OldVar->isReferenced());
3546       TagDecl *NewTag = NewVar->getType()->castAs<TagType>()->getDecl();
3549       NewTag->setDeclaratorForAnonDecl(NewVar);
3553   InstantiateAttrs(TemplateArgs, OldVar, NewVar, LateAttrs, StartingScope);
3555   if (NewVar->hasAttrs())
3556     CheckAlignasUnderalignment(NewVar);
3559       *this, NewVar->getDeclName(), NewVar->getLocation(),
3560       NewVar->isLocalExternDecl() ? Sema::LookupRedeclarationWithLinkage
3564   if (NewVar->isLocalExternDecl() && OldVar->getPreviousDecl()) {
3568             NewVar->getLocation(), OldVar->getPreviousDecl(), TemplateArgs))
3570   } else if (!isa<VarTemplateSpecializationDecl>(NewVar) &&
3572     LookupQualifiedName(Previous, NewVar->getDeclContext(), false);
3573   CheckVariableDeclaration(NewVar, Previous);
3576     NewVar->getLexicalDeclContext()->addHiddenDecl(NewVar);
3577     if (!NewVar->isLocalExternDecl() || !NewVar->getPreviousDecl())
3578       NewVar->getDeclContext()->makeDeclVisibleInContext(NewVar);
3582     if (NewVar->getDeclContext()->isFunctionOrMethod())
3583       CurrentInstantiationScope->InstantiatedLocal(OldVar, NewVar);
3588   if (NewVar->isStaticDataMember() && !InstantiatingVarTemplate)
3589     NewVar->setInstantiationOfStaticDataMember(OldVar,
3594   if (!isa<VarTemplateSpecializationDecl>(NewVar) && !InstantiatingVarTemplate)
3595     InstantiateVariableInitializer(NewVar, OldVar, TemplateArgs);
3599   if (!NewVar->isInvalidDecl() &&
3600       NewVar->getDeclContext()->isFunctionOrMethod() && !NewVar->isUsed() &&
3602     DiagnoseUnusedDecl(NewVar);