Different fixes for d2

ir/irclass.cpp

@@ -55,6 +55,7 @@ LLGlobalVariable * IrStruct::getClassInfoSymbol()
     // create the initZ symbol
     std::string initname("_D");
     initname.append(aggrdecl->mangle());
+
     if (aggrdecl->isInterfaceDeclaration())
         initname.append("11__InterfaceZ");
     else
@@ -69,7 +70,7 @@ LLGlobalVariable * IrStruct::getClassInfoSymbol()
 
     // classinfos cannot be constants since they're used a locks for synchronized
     classInfo = new llvm::GlobalVariable(
-        *gIR->module, tc->getPA().get(), false, _linkage, NULL, initname);
+            *gIR->module, tc->getPA().get(), false, _linkage, NULL, initname);
 
 #if USE_METADATA
     // Generate some metadata on this ClassInfo if it's for a class.

ir/irfuncty.h

@@ -78,6 +78,9 @@ struct IrFuncTy : IrBase
     // range of normal parameters to reverse
     bool reverseParams;
 
+    // arg_this is reference
+    bool is_arg_this_ref;
+
     IrFuncTy()
     :   ret(NULL),
         arg_sret(NULL),
@@ -86,7 +89,8 @@ struct IrFuncTy : IrBase
         arg_arguments(NULL),
         arg_argptr(NULL),
         c_vararg(false),
-        reverseParams(false)
+        reverseParams(false),
+        is_arg_this_ref(false)
     {}
     
     void reset() {