1 // RUN: %clang_cc1 -std=c++1z -verify -fsyntax-only -fblocks %s 2 // RUN: %clang_cc1 -std=c++1z -verify -fsyntax-only -fblocks -fdelayed-template-parsing %s 3 // RUN: %clang_cc1 -std=c++1z -verify -fsyntax-only -fblocks -fms-extensions %s 4 // RUN: %clang_cc1 -std=c++1z -verify -fsyntax-only -fblocks -fdelayed-template-parsing -fms-extensions %s 5 6 namespace test_constexpr_checking { 7 8 namespace ns1 { 9 struct NonLit { ~NonLit(); }; //expected-note{{not literal}} 10 auto L = [](NonLit NL) constexpr { }; //expected-error{{not a literal type}} 11 } // end ns1 12 13 namespace ns2 { 14 auto L = [](int I) constexpr { asm("non-constexpr"); }; //expected-error{{not allowed in constexpr function}} 15 } // end ns1 16 17 } // end ns test_constexpr_checking 18 19 namespace test_constexpr_call { 20 21 namespace ns1 { 22 auto L = [](int I) { return I; }; 23 static_assert(L(3) == 3); 24 } // end ns1 25 namespace ns2 { 26 auto L = [](auto a) { return a; }; 27 static_assert(L(3) == 3); 28 static_assert(L(3.14) == 3.14); 29 } 30 namespace ns3 { 31 auto L = [](auto a) { asm("non-constexpr"); return a; }; //expected-note{{declared here}} 32 constexpr int I = //expected-error{{must be initialized by a constant expression}} 33 L(3); //expected-note{{non-constexpr function}} 34 } 35 36 } // end ns test_constexpr_call
