17c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo// RUN: %clang_cc1 -fsyntax-only -verify %s 2472e66e9d32e587a028bc676aa63bd7137f3d4d4Larisse Voufo// RUN: cp %s %t 34447af930ab888a3a37cadaa2e638f54bbd9c2eaLarisse Voufo// RUN: not %clang_cc1 -x c++ -fixit %t -DFIXING 44447af930ab888a3a37cadaa2e638f54bbd9c2eaLarisse Voufo// RUN: %clang_cc1 -x c++ %t -DFIXING 57c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo 67c64ef05e179d29646030e9d453081844ecc537aLarisse Voufotemplate<typename T> void f(T) { } 77c64ef05e179d29646030e9d453081844ecc537aLarisse Voufotemplate<typename T> void g(T) { } 87c64ef05e179d29646030e9d453081844ecc537aLarisse Voufotemplate<typename T> struct x { }; 97c64ef05e179d29646030e9d453081844ecc537aLarisse Voufotemplate<typename T> struct y { }; // expected-note {{declared here}} 107c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo 117c64ef05e179d29646030e9d453081844ecc537aLarisse Voufonamespace good { 127c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo template void f<int>(int); 137c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo template void g(int); 147c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo template struct x<int>; 157c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo} 167c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo 177c64ef05e179d29646030e9d453081844ecc537aLarisse Voufonamespace unsupported { 184447af930ab888a3a37cadaa2e638f54bbd9c2eaLarisse Voufo#ifndef FIXING 197c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo template struct y; // expected-error {{elaborated type refers to a template}} 204447af930ab888a3a37cadaa2e638f54bbd9c2eaLarisse Voufo#endif 217c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo} 227c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo 237c64ef05e179d29646030e9d453081844ecc537aLarisse Voufotemplate<typename T> void f0(T) { } 247c64ef05e179d29646030e9d453081844ecc537aLarisse Voufotemplate<typename T> void g0(T) { } 257c64ef05e179d29646030e9d453081844ecc537aLarisse Voufotemplate<typename T> struct x0 { }; // expected-note {{explicitly specialized declaration is here}} 267c64ef05e179d29646030e9d453081844ecc537aLarisse Voufotemplate<typename T> struct y0 { }; 277c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo 287c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo// Should recover as if definition 297c64ef05e179d29646030e9d453081844ecc537aLarisse Voufonamespace noargs_body { 304447af930ab888a3a37cadaa2e638f54bbd9c2eaLarisse Voufo#ifndef FIXING 317c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo template void g0(int) { } // expected-error {{function cannot be defined in an explicit instantiation; if this declaration is meant to be a function definition, remove the 'template' keyword}} 324447af930ab888a3a37cadaa2e638f54bbd9c2eaLarisse Voufo#endif 334447af930ab888a3a37cadaa2e638f54bbd9c2eaLarisse Voufo template struct y0 { }; // expected-error {{class cannot be defined in an explicit instantiation; if this declaration is meant to be a class definition, remove the 'template' keyword}} 347c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo} 357c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo 367c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo// Explicit specializations expected in global scope 377c64ef05e179d29646030e9d453081844ecc537aLarisse Voufonamespace exp_spec { 384447af930ab888a3a37cadaa2e638f54bbd9c2eaLarisse Voufo#ifndef FIXING 397c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo template<> void f0<int>(int) { } // expected-error {{no function template matches function template specialization 'f0'}} 40651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines template<> struct x0<int> { }; // expected-error {{class template specialization of 'x0' must occur at global scope}} 414447af930ab888a3a37cadaa2e638f54bbd9c2eaLarisse Voufo#endif 427c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo} 437c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo 447c64ef05e179d29646030e9d453081844ecc537aLarisse Voufotemplate<typename T> void f1(T) { } 457c64ef05e179d29646030e9d453081844ecc537aLarisse Voufotemplate<typename T> struct x1 { }; // expected-note {{explicitly specialized declaration is here}} 467c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo 477c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo// Should recover as if specializations, 487c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo// thus also complain about not being in global scope. 497c64ef05e179d29646030e9d453081844ecc537aLarisse Voufonamespace args_bad { 504447af930ab888a3a37cadaa2e638f54bbd9c2eaLarisse Voufo#ifndef FIXING 517c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo template void f1<int>(int) { } // expected-error {{explicit template instantiation cannot have a definition; if this definition is meant to be an explicit specialization, add '<>' after the 'template' keyword}} \ 527c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo expected-error {{no function template matches function template specialization 'f1'}} 537c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo template struct x1<int> { }; // expected-error {{explicit template instantiation cannot have a definition; if this definition is meant to be an explicit specialization, add '<>' after the 'template' keyword}} \ 54651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines expected-error {{class template specialization of 'x1' must occur at global scope}} 554447af930ab888a3a37cadaa2e638f54bbd9c2eaLarisse Voufo#endif 567c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo} 577c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo 587c64ef05e179d29646030e9d453081844ecc537aLarisse Voufotemplate<typename T> void f2(T) { } 597c64ef05e179d29646030e9d453081844ecc537aLarisse Voufotemplate<typename T> struct x2 { }; 607c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo 617c64ef05e179d29646030e9d453081844ecc537aLarisse Voufo// Should recover as if specializations 627c64ef05e179d29646030e9d453081844ecc537aLarisse Voufotemplate void f2<int>(int) { } // expected-error {{explicit template instantiation cannot have a definition; if this definition is meant to be an explicit specialization, add '<>' after the 'template' keyword}} 637c64ef05e179d29646030e9d453081844ecc537aLarisse Voufotemplate struct x2<int> { }; // expected-error {{explicit template instantiation cannot have a definition; if this definition is meant to be an explicit specialization, add '<>' after the 'template' keyword}} 64