diff options
Diffstat (limited to 'clang/test/SemaCXX/struct-class-redecl.cpp')
| -rw-r--r-- | clang/test/SemaCXX/struct-class-redecl.cpp | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/clang/test/SemaCXX/struct-class-redecl.cpp b/clang/test/SemaCXX/struct-class-redecl.cpp new file mode 100644 index 0000000..5c59578 --- /dev/null +++ b/clang/test/SemaCXX/struct-class-redecl.cpp @@ -0,0 +1,164 @@ +// RUN: %clang_cc1 -fsyntax-only -Wmismatched-tags -verify %s +// RUN: %clang_cc1 -fsyntax-only -Wmismatched-tags %s 2>&1 | FileCheck %s +class X; // expected-note 2{{here}} +typedef struct X * X_t; // expected-warning{{previously declared}} +union X { int x; float y; }; // expected-error{{use of 'X' with tag type that does not match previous declaration}} + +template<typename T> struct Y; // expected-note{{did you mean class here?}} +template<class U> class Y { }; // expected-warning{{previously declared}} + +class A; +class A; // expected-note{{previous use is here}} +struct A; // expected-warning{{struct 'A' was previously declared as a class}} + +class B; // expected-note{{did you mean struct here?}} +class B; // expected-note{{previous use is here}}\ + // expected-note{{did you mean struct here?}} +struct B; // expected-warning{{struct 'B' was previously declared as a class}} +struct B {}; // expected-warning{{'B' defined as a struct here but previously declared as a class}} + +class C; // expected-note{{previous use is here}} +struct C; // expected-warning{{struct 'C' was previously declared as a class}}\ + // expected-note{{previous use is here}}\ + // expected-note{{did you mean class here?}} +class C; // expected-warning{{class 'C' was previously declared as a struct}}\ + // expected-note{{previous use is here}} +struct C; // expected-warning{{struct 'C' was previously declared as a class}}\ + // expected-note{{did you mean class here?}} +class C {}; // expected-warning{{'C' defined as a class here but previously declared as a struct}} + +struct D {}; // expected-note{{previous definition is here}}\ + // expected-note{{previous use is here}} +class D {}; // expected-error{{redefinition of 'D'}} +struct D; +class D; // expected-warning{{class 'D' was previously declared as a struct}}\ + // expected-note{{did you mean struct here?}} + +class E; +class E; +class E {}; +class E; + +struct F; +struct F; +struct F {}; +struct F; + +template<class U> class G; // expected-note{{previous use is here}}\ + // expected-note{{did you mean struct here?}} +template<class U> struct G; // expected-warning{{struct template 'G' was previously declared as a class template}} +template<class U> struct G {}; // expected-warning{{'G' defined as a struct template here but previously declared as a class template}} + +/* +*** 'X' messages *** +CHECK: warning: struct 'X' was previously declared as a class +CHECK: {{^}}typedef struct X * X_t; +CHECK: {{^}} ^{{$}} +CHECK: note: previous use is here +CHECK: {{^}}class X; +CHECK: {{^}} ^{{$}} +CHECK: error: use of 'X' with tag type that does not match previous declaration +CHECK: {{^}}union X { int x; float y; }; +CHECK: {{^}}^~~~~{{$}} +CHECK: {{^}}class{{$}} +CHECK: note: previous use is here +CHECK: {{^}}class X; +CHECK: {{^}} ^{{$}} +*** 'Y' messages *** +CHECK: warning: 'Y' defined as a class template here but + previously declared as a struct template +CHECK: {{^}}template<class U> class Y { }; +CHECK: {{^}} ^{{$}} +CHECK: note: did you mean class here? +CHECK: {{^}}template<typename T> struct Y; +CHECK: {{^}} ^~~~~~{{$}} +CHECK: {{^}} class{{$}} +*** 'A' messages *** +CHECK: warning: struct 'A' was previously declared as a class +CHECK: {{^}}struct A; +CHECK: {{^}}^{{$}} +CHECK: note: previous use is here +CHECK: {{^}}class A; +CHECK: {{^}} ^{{$}} +*** 'B' messages *** +CHECK: warning: struct 'B' was previously declared as a class +CHECK: {{^}}struct B; +CHECK: {{^}}^{{$}} +CHECK: note: previous use is here +CHECK: {{^}}class B; +CHECK: {{^}} ^{{$}} +CHECK: 'B' defined as a struct here but previously declared as a class +CHECK: {{^}}struct B {}; +CHECK: {{^}}^{{$}} +CHECK: note: did you mean struct here? +CHECK: {{^}}class B; +CHECK: {{^}}^~~~~{{$}} +CHECK: {{^}}struct{{$}} +CHECK: note: did you mean struct here? +CHECK: {{^}}class B; +CHECK: {{^}}^~~~~{{$}} +CHECK: {{^}}struct{{$}} +*** 'C' messages *** +CHECK: warning: struct 'C' was previously declared as a class +CHECK: {{^}}struct C; +CHECK: {{^}}^{{$}} +CHECK: note: previous use is here +CHECK: {{^}}class C; +CHECK: {{^}} ^{{$}} +CHECK: warning: class 'C' was previously declared as a struct +CHECK: {{^}}class C; +CHECK: {{^}}^{{$}} +CHECK: note: previous use is here +CHECK: {{^}}struct C; +CHECK: {{^}} ^{{$}} +CHECK: warning: struct 'C' was previously declared as a class +CHECK: {{^}}struct C; +CHECK: {{^}}^{{$}} +CHECK: note: previous use is here +CHECK: {{^}}class C; +CHECK: {{^}} ^{{$}} +CHECK: warning: 'C' defined as a class here but previously declared as a struct +CHECK: {{^}}class C {}; +CHECK: {{^}}^{{$}} +CHECK: note: did you mean class here? +CHECK: {{^}}struct C; +CHECK: {{^}}^~~~~~{{$}} +CHECK: {{^}}class{{$}} +CHECK: note: did you mean class here? +CHECK: {{^}}struct C; +CHECK: {{^}}^~~~~~{{$}} +CHECK: {{^}}class{{$}} +*** 'D' messages *** +CHECK: error: redefinition of 'D' +CHECK: {{^}}class D {}; +CHECK: {{^}} ^{{$}} +CHECK: note: previous definition is here +CHECK: {{^}}struct D {}; +CHECK: {{^}} ^{{$}} +CHECK: warning: class 'D' was previously declared as a struct +CHECK: {{^}}class D; +CHECK: {{^}}^{{$}} +CHECK: note: previous use is here +CHECK: {{^}}struct D {}; +CHECK: {{^}} ^{{$}} +CHECK: note: did you mean struct here? +CHECK: {{^}}class D; +CHECK: {{^}}^~~~~{{$}} +CHECK: {{^}}struct{{$}} +*** 'E' messages *** +*** 'F' messages *** +*** 'G' messages *** +CHECK: warning: struct template 'G' was previously declared as a class template +CHECK: {{^}}template<class U> struct G; +CHECK: {{^}} ^{{$}} +CHECK: note: previous use is here +CHECK: {{^}}template<class U> class G; +CHECK: {{^}} ^{{$}} +CHECK: warning: 'G' defined as a struct template here but previously declared as a class template +CHECK: {{^}}template<class U> struct G {}; +CHECK: {{^}} ^{{$}} +CHECK: note: did you mean struct here? +CHECK: {{^}}template<class U> class G; +CHECK: {{^}} ^~~~~ +CHECK: {{^}} struct +*/ |