[vala/0.38] vala: Skip default-value positioning check for parameters of coroutines

[Rico Tzschichholz <ricotz src gnome org>]

commit f6d2254d84a079b8c10b0b0e034cc3e15510b4fe
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Thu Jan 18 20:41:08 2018 +0100

    vala: Skip default-value positioning check for parameters of coroutines
    
    https://bugzilla.gnome.org/show_bug.cgi?id=644241

 vala/valamethod.vala |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/vala/valamethod.vala b/vala/valamethod.vala
index 4dad2da..9ce98cf 100644
--- a/vala/valamethod.vala
+++ b/vala/valamethod.vala
@@ -727,6 +727,10 @@ public class Vala.Method : Subroutine, Callable {
                                error = true;
                                Report.error (param.source_reference, "Reference parameters are not supported 
for async methods");
                        }
+                       // TODO: begin and end parameters must be checked separately for coroutines
+                       if (coroutine) {
+                               continue;
+                       }
                        if (optional_param && param.initializer == null && !param.ellipsis) {
                                Report.warning (param.source_reference, "parameter without default follows 
parameter with default");
                        } else if (param.initializer != null) {