1ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufo// RUN: %clang_cc1 --std=c++1y -fsyntax-only -verify %s 2ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufo// RUN: cp %s %t 3ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufo// RUN: not %clang_cc1 --std=c++1y -x c++ -fixit %t -DFIXING 4ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufo// RUN: %clang_cc1 --std=c++1y -x c++ %t -DFIXING 5ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufo 6ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufotemplate<typename T> 7ef4579cda09b73e3d4d98af48201da25adc29326Larisse VoufoT pi = T(3.1415926535897932385); // expected-note {{template is declared here}} 8ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufo 9ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufotemplate int pi<int>; 10ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufo 11ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufo#ifndef FIXING 128e6557e57e2b88fd3de8a87e53e30c774497f51dRichard Smithtemplate float pi<>; // expected-error {{too few template arguments for template 'pi'}} 13ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufotemplate double pi_var0; // expected-error {{explicit instantiation of 'pi_var0' does not refer to a function template, variable template, member function, member class, or static data member}} 14ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufo#endif 15ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufo 16ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufo// Should recover as if definition 17ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufotemplate double pi_var = 5; // expected-error {{variable cannot be defined in an explicit instantiation; if this declaration is meant to be a variable definition, remove the 'template' keyword}} 18ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufo#ifndef FIXING 19ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufotemplate<typename T> 20ef4579cda09b73e3d4d98af48201da25adc29326Larisse VoufoT pi0 = T(3.1415926535897932385); // expected-note {{previous definition is here}} 21ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufo 22ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufotemplate int pi0 = 10; // expected-error {{variable cannot be defined in an explicit instantiation; if this declaration is meant to be a variable definition, remove the 'template' keyword}} \ 234a91989b2dc901a4998fa5443aeba0276a8cfaa6Larisse Voufo expected-error{{redefinition of 'pi0' as different kind of symbol}} 24ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufo#endif 25ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufo 26ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufotemplate<typename T> 27651f13cea278ec967336033dd032faef0e9fc2ecStephen HinesT pi1 = T(3.1415926535897932385); // expected-note 0-2 {{here}} 28ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufo 29ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufo// Should recover as if specialization 30ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufotemplate float pi1<float> = 1.0; // expected-error {{explicit template instantiation cannot have a definition; if this definition is meant to be an explicit specialization, add '<>' after the 'template' keyword}} 31ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufo#ifndef FIXING 32ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufonamespace expected_global { 33651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines template<> double pi1<double> = 1.5; // expected-error {{variable template specialization of 'pi1' must originally be declared in the global scope}} 34ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufo template int pi1<int> = 10; // expected-error {{explicit template instantiation cannot have a definition; if this definition is meant to be an explicit specialization, add '<>' after the 'template' keyword}} \ 35651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines expected-error {{variable template specialization of 'pi1' must originally be declared in the global scope}} 36ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufo} 37ef4579cda09b73e3d4d98af48201da25adc29326Larisse Voufo#endif 38