https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89742
Bug ID: 89742 Summary: Ada2020 target assignment in generic renders a type invisible Product: gcc Version: 8.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: ada Assignee: unassigned at gcc dot gnu.org Reporter: nicolas at debian dot org Target Milestone: --- Hello. This issue affects the @ target assignement in Ada, which is not yet officially released, but supported with the appropriate options. This program is legal, but if the indicated Ref is replaced with @, GCC reports an error. cat > main.adb <<EOF procedure Main is type Rec is record I : Integer; end record; type Acc is access Rec; generic procedure Generic_P; procedure Generic_P is Ref : Acc; begin Ref := new Rec'(I => Ref.all.I); -- ^ this Ref. end Generic_P; procedure P is new Generic_P; begin null; end Main; EOF echo 'Produces sensible warnings.' gnatgcc -c -gnat2020 main.adb sed -i 's/=> Ref/=> @/' main.adb echo 'Now says "Rec" is undefined.' gnatgcc -c -gnat2020 main.adb