https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115543
--- Comment #3 from Sergey <spevnev16 at gmail dot com> --- (In reply to Jakub Jelinek from comment #1) > That is not a bug, DW_TAG_call_site_parameter is emitted only when it has > something relevant to say (like, what value has been passed). If it isn't > known how to reconstruct the value or if the compiler is unable to track the > value passed to it, it can omit it. I do not see how it is any different from register-passed parameters in its "relevance", being able to reconstruct or track it. Could you please explain?