Tested x86_64-pc-linux-gnu, applying to trunk. -- >8 -- This got fixed by r15-2120.
PR c++/115616 gcc/testsuite/ChangeLog: * g++.dg/template/friend83.C: New test. --- gcc/testsuite/g++.dg/template/friend83.C | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 gcc/testsuite/g++.dg/template/friend83.C diff --git a/gcc/testsuite/g++.dg/template/friend83.C b/gcc/testsuite/g++.dg/template/friend83.C new file mode 100644 index 00000000000..edd29614b31 --- /dev/null +++ b/gcc/testsuite/g++.dg/template/friend83.C @@ -0,0 +1,24 @@ +// PR c++/115616 +// { dg-do compile { target c++20 } } + +template <int X, int Y> void bar() {} + +template <typename T> +struct Reader +{ + template <int X> + friend void foo(Reader<T>); +}; + +template <typename T, int Y> +struct Writer +{ + template <int X> + friend void foo(Reader<T>) {bar<X, Y>();} +}; + +int main() +{ + foo<10>(Reader<int>{}); + Writer<int, 20>{}; +} base-commit: f93a38f3fc8b20942896d037f3833d6b383dd3d8 -- 2.46.0