[vala] Report error when trying to use stacked arrays

[Jürg Billeter <juergbi src gnome org>]

commit cc435dd6ec069b87e986fa454e80e5fe80a0df72
Author: Jürg Billeter <j bitron ch>
Date:   Sat Oct 16 15:17:23 2010 +0200

    Report error when trying to use stacked arrays
    
    Stacked array support was never completed. Report an error instead of
    generating incorrect C code.
    
    Fixes bug 546603, bug 548428, bug 548429, bug 565865, bug 565872,
    bug 571322, bug 572649, and bug 576611.

 codegen/valaccodebasemodule.vala |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/codegen/valaccodebasemodule.vala b/codegen/valaccodebasemodule.vala
index 9de9b53..9d4ce74 100644
--- a/codegen/valaccodebasemodule.vala
+++ b/codegen/valaccodebasemodule.vala
@@ -3949,7 +3949,9 @@ public class Vala.CCodeBaseModule : CodeGenerator {
 		var array_type = type as ArrayType;
 		if (array_type != null) {
 			check_type (array_type.element_type);
-			if (array_type.element_type is DelegateType) {
+			if (array_type.element_type is ArrayType) {
+				Report.error (type.source_reference, "Stacked arrays are not supported");
+			} else if (array_type.element_type is DelegateType) {
 				var delegate_type = (DelegateType) array_type.element_type;
 				if (delegate_type.delegate_symbol.has_target) {
 					Report.error (type.source_reference, "Delegates with target are not supported as array element type");