Fixed parsing of classes with virtual bases.

This bug only manifested itself as an assert in debug builds.

Partial fix for https://github.com/mono/CppSharp/issues/664.

src/CppParser/Parser.cpp

@@ -959,7 +959,8 @@ void Parser::WalkRecordCXX(const clang::CXXRecordDecl* Record, Class* RC)
         auto BaseDecl = GetCXXRecordDeclFromBaseType(BS.getType().getTypePtr());
         if (BaseDecl && Layout)
         {
-            auto Offset = Layout->getBaseClassOffset(BaseDecl);
+            auto Offset = BS.isVirtual() ? Layout->getVBaseClassOffset(BaseDecl)
+                : Layout->getBaseClassOffset(BaseDecl);
             Base->Offset = Offset.getQuantity();
         }
 

tests/Common/Common.h

@@ -678,6 +678,11 @@ public:
     int Value;
 };
 
+class DLL_API ClassWithVirtualBase : public virtual ClassC
+{
+
+};
+
 // Test decltype
 int Expr = 0;
 DLL_API decltype(Expr) TestDecltype()