The following package spec
package B is
type I is Interface;
type C is new I with null record;
function M return C;
X : I'Class := I'Class (M);
end B;
triggers an infinite recursion in GNAT:
+===========================GNAT BUG DETECTED==============================+
| 4.4.0 20080409 (experimental) (i686-pc-linux-gnu) Storage_Error stack
overflow (or erroneous memory access)|
| Error detected at b.ads:5:20 |
--
Summary: ICE: converting a concrete type into a classwide
interface
Product: gcc
Version: 4.4.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: ada
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: sam at gcc dot gnu dot org
GCC host triplet: i686-pc-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35888