https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101733
Bug ID: 101733 Summary: simple-requirement prefixed with typename interpreted as type-requirement Product: gcc Version: 11.0 Status: UNCONFIRMED Keywords: rejects-valid Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: johelegp at gmail dot com CC: johelegp at gmail dot com Target Milestone: --- See https://godbolt.org/z/q67Mserar. ```C++ template<class T> concept C = requires { typename T::x(); typename T::x() + 1; 1 + typename T::x(); }; ``` ``` <source>:3:16: error: expected ';' before '(' token 3 | typename T::x(); | ^ | ; <source>:4:16: error: expected ';' before '(' token 4 | typename T::x() + 1; | ^ | ; Compiler returned: 1 ```