Fix abstract async methods

Fixes bug 595735.

diff --git a/codegen/valagtypemodule.vala b/codegen/valagtypemodule.vala
index beda1c45c6bb8e90aa5e38949642e05bb986aad4..1eb3d745d97c343f017db698887811b65cf97ff3 100644 (file)
--- a/codegen/valagtypemodule.vala
+++ b/codegen/valagtypemodule.vala
@@ -1147,13 +1147,16 @@ internal class Vala.GTypeModule : GErrorModule {
                                continue;
                        }
                        var base_type = m.base_method.parent_symbol;
-                       
-                       var ccast = new CCodeFunctionCall (new CCodeIdentifier ("%s_CLASS".printf (((Class) base_type).get_upper_case_cname (null))));
-                       ccast.add_argument (new CCodeIdentifier ("klass"));
-                       init_block.add_statement (new CCodeExpressionStatement (new CCodeAssignment (new CCodeMemberAccess.pointer (ccast, m.base_method.vfunc_name), new CCodeIdentifier (m.get_real_cname ()))));
 
-                       if (m.coroutine) {
-                               init_block.add_statement (new CCodeExpressionStatement (new CCodeAssignment (new CCodeMemberAccess.pointer (ccast, m.base_method.get_finish_vfunc_name ()), new CCodeIdentifier (m.get_finish_real_cname ()))));
+                       // there is currently no default handler for abstract async methods
+                       if (m.overrides || !m.coroutine) {
+                               var ccast = new CCodeFunctionCall (new CCodeIdentifier ("%s_CLASS".printf (((Class) base_type).get_upper_case_cname (null))));
+                               ccast.add_argument (new CCodeIdentifier ("klass"));
+                               init_block.add_statement (new CCodeExpressionStatement (new CCodeAssignment (new CCodeMemberAccess.pointer (ccast, m.base_method.vfunc_name), new CCodeIdentifier (m.get_real_cname ()))));
+
+                               if (m.coroutine) {
+                                       init_block.add_statement (new CCodeExpressionStatement (new CCodeAssignment (new CCodeMemberAccess.pointer (ccast, m.base_method.get_finish_vfunc_name ()), new CCodeIdentifier (m.get_finish_real_cname ()))));
+                               }
                        }
                }