From: Eric Botcazou <ebotca...@adacore.com> That's a regression introduced by the rewrite of the finalization machinery, in the form of dangling references to Master_Node entities remaining in the tree after the removal of the ignored Ghost code.
gcc/ada/ChangeLog: * exp_ch7.adb (Process_Transient_In_Scope): Bail out if the object is an ignored ghost entity. Tested on x86_64-pc-linux-gnu, committed on master. --- gcc/ada/exp_ch7.adb | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/gcc/ada/exp_ch7.adb b/gcc/ada/exp_ch7.adb index 905094c7e40..1c569b90dd2 100644 --- a/gcc/ada/exp_ch7.adb +++ b/gcc/ada/exp_ch7.adb @@ -5275,6 +5275,13 @@ package body Exp_Ch7 is Obj_Typ : Entity_Id; begin + -- Ignored Ghost objects do not need any cleanup actions because + -- they will not appear in the final tree. + + if Is_Ignored_Ghost_Entity (Obj_Id) then + return; + end if; + -- If the object needs to be exported to the outer finalizer, -- create the declaration of the Master_Node for the object, -- which will later be picked up by Build_Finalizer. -- 2.43.0