https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111622
--- Comment #3 from Andrew Macleod <amacleod at redhat dot com> --- (In reply to Richard Biener from comment #1) > Created attachment 56006 [details] > preprocessed riscv insn-opinit.cc I get i.ii:2203:11: fatal error: definition of ‘class std::initializer_list<_E>’ does not match ‘#include <initializer_list>’ 2203 | class initializer_list | ^~~~~~~~~~~~~~~~ compilation terminated. with the .ii file... do I need something else?