1 // RUN: %clang_cc1 -fsyntax-only -std=c++17 %s -verify=cxx17 2 // RUN: %clang_cc1 -fsyntax-only -std=c++14 %s -verify=cxx14 3 4 namespace PR51547 { 5 template<class> struct A; // cxx14-note {{template is declared here}} 6 auto p = new A[]{}; // cxx14-error {{use of class template 'A' requires template arguments}} \ 7 cxx17-error {{cannot form array of deduced class template specialization type}} 8 } 9 10