[vala] Fix postconditions for methods returning structs

[Jürg Billeter <juergbi src gnome org>]

commit e1f191fd4eaa0db49eea122860d872b06a605197
Author: Adam Folmert <afolmert gmail com>
Date:   Sun Feb 14 03:57:37 2010 +0100

    Fix postconditions for methods returning structs
    
    Fixes bug 602927.

 codegen/valaccodememberaccessmodule.vala |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/codegen/valaccodememberaccessmodule.vala b/codegen/valaccodememberaccessmodule.vala
index edfa133..f55da36 100644
--- a/codegen/valaccodememberaccessmodule.vala
+++ b/codegen/valaccodememberaccessmodule.vala
@@ -355,7 +355,12 @@ internal class Vala.CCodeMemberAccessModule : CCodeControlFlowModule {
 			var local = (LocalVariable) expr.symbol_reference;
 			if (local.is_result) {
 				// used in postconditions
-				expr.ccodenode = new CCodeIdentifier ("result");
+				// structs are returned as out parameter
+				if (local.variable_type != null && local.variable_type.is_real_non_null_struct_type ()) {
+					expr.ccodenode = new CCodeUnaryExpression (CCodeUnaryOperator.POINTER_INDIRECTION, new CCodeIdentifier ("result"));
+				} else {
+					expr.ccodenode = new CCodeIdentifier ("result");
+				}
 			} else if (local.captured) {
 				// captured variables are stored on the heap
 				var block = (Block) local.parent_symbol;