model: hint the semantize phases that `exit` does not return

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/src/model/model.nit b/src/model/model.nit
index 820b306..3841daf 100644 (file)
--- a/src/model/model.nit
+++ b/src/model/model.nit
@@ -283,6 +283,7 @@ redef class MModule
                        end
                        print("Fatal Error: no primitive class {name} in {self}")
                        exit(1)
+                       abort
                end
                if cla.length != 1 then
                        var msg = "Fatal Error: more than one primitive class {name} in {self}:"