Clean up mtype

dmd2/func.c

@@ -105,25 +105,6 @@ FuncDeclaration::FuncDeclaration(Loc loc, Loc endloc, Identifier *id, StorageCla
     allowInlining = false;
     neverInline = false;
     availableExternally = true; // assume this unless proven otherwise
-
-    // function types in ldc don't merge if the context parameter differs
-    // so we actually don't care about the function declaration, but only
-    // what kind of context parameter it has.
-    // however, this constructor is usually called from the parser, which
-    // unfortunately doesn't provide the information needed to get to the
-    // aggregate type. So we have to stick with the FuncDeclaration and
-    // just be sure we don't actually rely on the symbol it points to,
-    // but rather just the type of its context parameter.
-    // this means some function might have a function type pointing to
-    // another function declaration
-
-    if (type)
-    {
-        assert(type->ty == Tfunction && "invalid function type");
-        TypeFunction* tf = (TypeFunction*)type;
-        if (tf->funcdecl == NULL)
-            tf->funcdecl = this;
-    }
 #endif
 }