From 40fa7653e248d07bb971d3ea64bef83f2222f25b Mon Sep 17 00:00:00 2001
From: Alexey Prokhin <alexey.prokhin@yandex.ru>
Date: Tue, 1 Nov 2011 12:07:59 +0400
Subject: [PATCH] Sync TypeInfoClass flags with dmd

---
 gen/classes.cpp | 26 ++++++++++++++------------
 1 file changed, 14 insertions(+), 12 deletions(-)

diff --git a/gen/classes.cpp b/gen/classes.cpp
index 96c4a990..0e1e871a 100644
--- a/gen/classes.cpp
+++ b/gen/classes.cpp
@@ -626,24 +626,26 @@ static unsigned build_classinfo_flags(ClassDeclaration* cd)
 {
     // adapted from original dmd code
     unsigned flags = 0;
-    //flags |= isCOMclass(); // IUnknown
+    flags |= cd->isCOMclass(); // IUnknown
     bool hasOffTi = false;
-    if (cd->ctor) flags |= 8;
+    if (cd->ctor)
+        flags |= 8;
+    if (cd->isabstract)
+        flags |= 64;
     for (ClassDeclaration *cd2 = cd; cd2; cd2 = cd2->baseClass)
     {
-    if (cd2->members)
-    {
+        if (!cd2->members)
+            continue;
         for (size_t i = 0; i < cd2->members->dim; i++)
         {
-        Dsymbol *sm = (Dsymbol *)cd2->members->data[i];
-        if (sm->isVarDeclaration() && !sm->isVarDeclaration()->isDataseg()) // is this enough?
-            hasOffTi = true;
-        //printf("sm = %s %s\n", sm->kind(), sm->toChars());
-        if (sm->hasPointers())
-            goto L2;
+            Dsymbol *sm = (Dsymbol *)cd2->members->data[i];
+            if (sm->isVarDeclaration() && !sm->isVarDeclaration()->isDataseg()) // is this enough?
+                hasOffTi = true;
+            //printf("sm = %s %s\n", sm->kind(), sm->toChars());
+            if (sm->hasPointers())
+                goto L2;
         }
     }
-    }
     flags |= 2;         // no pointers
 L2:
     if (hasOffTi)
@@ -760,7 +762,7 @@ LLConstant* DtoDefineClassInfo(ClassDeclaration* cd)
 
     // uint flags
     if (cd->isInterfaceDeclaration())
-        b.push_uint(0);
+        b.push_uint(4 | cd->isCOMinterface() | 32);
     else
         b.push_uint(build_classinfo_flags(cd));