https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117515
Bug ID: 117515 Summary: Error: calling constructor with lambda expression in requires expression is invalid Product: gcc Version: 15.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: eczbek.void at gmail dot com Target Milestone: --- https://godbolt.org/z/xPG5a4nb1 ``` struct A { A(auto) {} }; static_assert(requires { A([] {}); }); int main() {} ``` <source>:5:15: error: static assertion failed 5 | static_assert(requires { A([] {}); }); | ^~~~~~~~~~~~~~~~~~~~~~ <source>:5:15: note: constraints not satisfied <source>:5:26: note: the required expression '(A)(<expression error>)' is invalid 5 | static_assert(requires { A([] {}); }); | ^~~~~~~~ cc1plus: note: set '-fconcepts-diagnostics-depth=' to at least 2 for more detail Compiler returned: 1