https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104877
Bug ID: 104877
Summary: missing standard gnu++20 in diagnostic
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: roland.illig at gmx dot de
Target Milestone: ---
cp/parser.cc says:
> use of %<auto%> in parameter declaration only available with %<-std=c++20%>
> or %<-fconcepts%>
What about %<-std=gnu++20%>?
