Format ref-structs correctly

src/codegen.cpp

@@ -564,13 +564,13 @@ namespace types {
                 fields.push_back(field.second->codegen(builder, structs));
             }
 
-            auto ty = llvm::StructType::get(*builder.context, fields);
+            auto ty = llvm::StructType::create(*builder.context, fields);
             if (this->m_name)
                 ty->setName(*this->m_name);
             return ty;
         }
         else {
-            auto ty = llvm::StructType::get(*builder.context);
+            auto ty = llvm::StructType::create(*builder.context);
             if (this->m_name)
                 ty->setName(*this->m_name);
             return ty;

src/types.cpp

@@ -163,7 +163,11 @@ namespace types {
 
     std::string StructType::formatted() {
         std::stringstream out{ "" };
-        out << "struct ";
+        out << "struct";
+        if (this->m_is_ref)
+            out << "(ref)";
+        out << " ";
+
         if (this->m_name) {
             out << *this->m_name << " ";
         }

test.c

@@ -24,5 +24,7 @@ int main() {
 
     printf(" first element: %d!", somelist[0]);
 
+    struct Otus otus;
+
     return 0;
 }