https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95069
Bug ID: 95069 Summary: Capture by reference cannot use list-initalization Product: gcc Version: 10.0 Status: UNCONFIRMED Keywords: rejects-valid Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: redi at gcc dot gnu.org Target Milestone: --- int i; int& f(int& i) { return i; } auto ok = [&x = f(i)] {}; auto err = [&x{f(i)}] {}; Clang, EDG and MSVC accept this in C++14 mode, but G++ doesn't: l.cc:4:20: error: cannot capture ‘{f(i)}’ by reference 4 | auto err = [&x{f(i)}] {}; | ^