From 414e58a3185efdeb9b942500c5aa2ac9cbc9ddce Mon Sep 17 00:00:00 2001
From: Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
Date: Thu, 16 Apr 2009 20:41:27 +0200
Subject: [PATCH] Fixed forward referenced structs.

---
 gen/structs.cpp     | 4 ++++
 ir/irtypestruct.cpp | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/gen/structs.cpp b/gen/structs.cpp
index 1f5ee1c5..3cc96564 100644
--- a/gen/structs.cpp
+++ b/gen/structs.cpp
@@ -36,6 +36,10 @@ void DtoResolveStruct(StructDeclaration* sd)
     // make sure type exists
     DtoType(sd->type);
 
+    // if it's a forward declaration, all bets are off. The type should be enough
+    if (sd->sizeok != 1)
+        return;
+
     // create the IrStruct
     IrStruct* irstruct = new IrStruct(sd);
     sd->ir.irStruct = irstruct;
diff --git a/ir/irtypestruct.cpp b/ir/irtypestruct.cpp
index 0105fde6..e50507cf 100644
--- a/ir/irtypestruct.cpp
+++ b/ir/irtypestruct.cpp
@@ -67,6 +67,10 @@ const llvm::Type* IrTypeStruct::buildType()
     IF_LOG Logger::println("Building struct type %s @ %s", sd->toPrettyChars(), sd->locToChars());
     LOG_SCOPE;
 
+    // if it's a forward declaration, all bets are off, stick with the opaque
+    if (sd->sizeok != 1)
+        return pa.get();
+
     // find the fields that contribute to the default initializer.
     // these will define the default type.