src/jdk.compiler/share/classes/com/sun/tools/classfile/Attributes.java

*** 67,76 ****
--- 67,81 ----
                  // don't enter invalid names in map
              }
          }
      }
  
+     public Attributes(Map<String, Attribute> attributes) {
+         this.attrs = attributes.values().toArray(new Attribute[attributes.size()]);
+         map = attributes;
+     }
+ 
      public Iterator<Attribute> iterator() {
          return Arrays.asList(attrs).iterator();
      }
  
      public Attribute get(int index) {