https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90101
Benjamin Buch <benni.buch at gmail dot com> changed:
What |Removed |Added
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CC| |benni.buch at gmail dot com
--- Comment #1 from Benjamin Buch <benni.buch at gmail dot com> ---
simplified test case:
template<int N>
struct A{};
template<int N, A<N>>
struct B {};
$ g++ -std=c++2a test.cpp
test.cpp:4:17: error: invalid use of incomplete type 'struct A<N>'
4 | template<int N, A<N>>
| ^~~
test.cpp:2:8: note: declaration of 'struct A<N>'
2 | struct A{};
| ^
$ g++ --version
g++ (Compiler-Explorer-Build) 9.0.1 20190422 (experimental)
Copyright (C) 2019 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
https://godbolt.org/z/kdDPaO
