From acf1ed40b0355c4534338dce5dd44adcc07bab26 Mon Sep 17 00:00:00 2001
From: Kai Nacke <kai@redstar.de>
Date: Fri, 3 Jan 2014 23:36:17 +0100
Subject: [PATCH] Emit error message for struct with unknown size.

This fixes an ICE in test fail91.
---
 gen/structs.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/gen/structs.cpp b/gen/structs.cpp
index 55274b26..e31dada9 100644
--- a/gen/structs.cpp
+++ b/gen/structs.cpp
@@ -10,6 +10,7 @@
 #include "aggregate.h"
 #include "declaration.h"
 #include "init.h"
+#include "module.h"
 #include "mtype.h"
 #include "gen/arrays.h"
 #include "gen/dvalue.h"
@@ -42,7 +43,10 @@ void DtoResolveStruct(StructDeclaration* sd)
 
     // if it's a forward declaration, all bets are off. The type should be enough
     if (sd->sizeok != SIZEOKdone)
-        return;
+    {
+        error("struct %s.%s unknown size", sd->getModule()->toChars(), sd->toChars());
+        fatal();
+    }
 
     // create the IrAggr
     IrAggr* iraggr = new IrAggr(sd);