lib/Sema/SemaDeclCXX.cpp

751 bool Sema::CheckConstexprFunctionDecl(const FunctionDecl *NewFD) {
752   const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(NewFD);
760       Diag(NewFD->getLocation(), diag::err_constexpr_virtual_base)
761         << isa<CXXConstructorDecl>(NewFD)
771   if (!isa<CXXConstructorDecl>(NewFD)) {
776     const CXXMethodDecl *Method = dyn_cast<CXXMethodDecl>(NewFD);
778       Diag(NewFD->getLocation(), diag::err_constexpr_virtual);
792     QualType RT = NewFD->getResultType();
794         RequireLiteralType(NewFD->getLocation(), RT,
800   if (!CheckConstexprParameterTypes(*this, NewFD))
12819     // Don't introduce NewFD into scope; there's already something