[vala] Report error when using `construct' with incompatible properties

[Jürg Billeter <juergbi src gnome org>]

commit f28bcc831175368e051af6ed34cf22e96ec43653
Author: Jürg Billeter <j bitron ch>
Date:   Sat Mar 20 23:02:51 2010 +0100

    Report error when using `construct' with incompatible properties
    
    Fixes bug 574146.

 codegen/valaccodebasemodule.vala |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/codegen/valaccodebasemodule.vala b/codegen/valaccodebasemodule.vala
index 4eecd38..f134d79 100644
--- a/codegen/valaccodebasemodule.vala
+++ b/codegen/valaccodebasemodule.vala
@@ -1452,6 +1452,10 @@ internal class Vala.CCodeBaseModule : CCodeModule {
 			Report.error (acc.source_reference, "construct properties require GLib.Object");
 			acc.error = true;
 			return;
+		} else if (acc.construction && !is_gobject_property (prop)) {
+			Report.error (acc.source_reference, "construct properties not supported for specified property type");
+			acc.error = true;
+			return;
 		}
 
 		// do not declare overriding properties and interface implementations