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view gcc/testsuite/g++.dg/warn/Wmismatched-tags-4.C @ 152:2b5abeee2509
update gcc11
author | anatofuz |
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date | Mon, 25 May 2020 07:50:57 +0900 |
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/* PR c++/94078 - bogus and missing -Wmismatched-tags on an instance of a template Verify that -Wmismatched-tags is issued for redeclarations and instances of the appropriate primary template or specialization. { dg-do compile } { dg-options "-Wmismatched-tags" } */ // Exercise explicit specialization. template <class> class S1; template <> struct S1<int>; template <class> class S1; template <class> struct S1; // { dg-warning "\\\[-Wmismatched-tags" } template <> class S1<char>; template <> struct S1<char>; // { dg-warning "\\\[-Wmismatched-tags" } template <> class S1<int>; // { dg-warning "\\\[-Wmismatched-tags" } template <> struct S1<int>; extern S1<void> s1v; extern class S1<void> s1v; extern struct S1<void> s1v; // { dg-warning "\\\[-Wmismatched-tags" } extern S1<int> s1i; extern class S1<int> s1i; // { dg-warning "\\\[-Wmismatched-tags" } extern struct S1<int> s1i; extern S1<char> s1c; extern class S1<char> s1c; extern struct S1<char> s1c; // { dg-warning "\\\[-Wmismatched-tags" } // Exercise partial specialization. template <class> struct S2; template <class T> class S2<const T>; template <class> class S2; // { dg-warning "\\\[-Wmismatched-tags" } template <class> struct S2; template <class T> class S2<const T>; template <class T> struct S2<const T>;// { dg-warning "\\\[-Wmismatched-tags" } extern S2<int> s2i; extern class S2<int> s2i; // { dg-warning "\\\[-Wmismatched-tags" } extern struct S2<int> s2i; extern S2<const int> s2ci; extern class S2<const int> s2ci; extern struct S2<const int> s2ci; // { dg-warning "\\\[-Wmismatched-tags" } template <class> struct S3; template <class T> class S3<T*>; template <class T> struct S3<T&>; template <class> class S3; // { dg-warning "\\\[-Wmismatched-tags" } template <class> struct S3; template <class T> class S3<T*>; template <class T> struct S3<T*>; // { dg-warning "\\\[-Wmismatched-tags" } template <class T> class S3<T&>; // { dg-warning "\\\[-Wmismatched-tags" } template <class T> struct S3<T&>; extern S3<int> s3i; extern class S3<int> s3i; // { dg-warning "\\\[-Wmismatched-tags" } extern struct S3<int> s3i; extern S3<int*> s3p; extern class S3<int*> s3p; extern struct S3<int*> s3p; // { dg-warning "\\\[-Wmismatched-tags" } extern S3<int&> s3r; extern class S3<int&> s3r; // { dg-warning "\\\[-Wmismatched-tags" } extern struct S3<int&> s3r; // Repeat exactly the same as above. extern S3<int> s3i; extern class S3<int> s3i; // { dg-warning "\\\[-Wmismatched-tags" } extern struct S3<int> s3i; extern S3<int*> s3p; extern class S3<int*> s3p; extern struct S3<int*> s3p; // { dg-warning "\\\[-Wmismatched-tags" } extern S3<int&> s3r; extern class S3<int&> s3r; // { dg-warning "\\\[-Wmismatched-tags" } extern struct S3<int&> s3r; // Repeat the same as above just with different type. extern S3<long> s3l; extern class S3<long> s3l; // { dg-warning "\\\[-Wmismatched-tags" } extern struct S3<long> s3l; extern S3<long*> s3lp; extern class S3<long*> s3lp; extern struct S3<long*> s3lp; // { dg-warning "\\\[-Wmismatched-tags" } extern S3<long&> s3lr; extern class S3<long&> s3lr; // { dg-warning "\\\[-Wmismatched-tags" } extern struct S3<long&> s3lr; // Repeat with the class-keys swapped. extern S3<long> s3l; extern struct S3<long> s3l; extern class S3<long> s3l; // { dg-warning "\\\[-Wmismatched-tags" } extern S3<long*> s3lp; extern struct S3<long*> s3lp; // { dg-warning "\\\[-Wmismatched-tags" } extern class S3<long*> s3lp; extern S3<long&> s3lr; extern struct S3<long&> s3lr; extern class S3<long&> s3lr; // { dg-warning "\\\[-Wmismatched-tags" } namespace N { template <class> struct A; extern class A<int> ai; // { dg-warning "\\\[-Wmismatched-tags" } extern struct A<int> ai; typedef class A<int> AI; // { dg-warning "\\\[-Wmismatched-tags" } typedef struct A<int> AI; template <class> struct B; template <> class B<int>; template <> struct B<char>; extern class B<int> bi; extern struct B<int> bi; // { dg-warning "\\\[-Wmismatched-tags" } extern class B<char> bc; // { dg-warning "\\\[-Wmismatched-tags" } extern struct B<char> bc; typedef class B<char> BC; // { dg-warning "\\\[-Wmismatched-tags" } typedef struct B<char> BC; }