jdk/src/share/classes/com/sun/java/util/jar/pack/ConstantPool.java

rev 5678 : 7186957: Improve Pack200 data validation
Reviewed-by: jrose, jjh, mschoene

*** 1051,1060 ****
--- 1051,1062 ----
              return ix;
          }
  
          /** Index of all CP entries of a given tag and class. */
          public Index getMemberIndex(byte tag, ClassEntry classRef) {
+             if (classRef == null)
+                 throw new RuntimeException("missing class reference for " + tagName(tag));
              if (indexByTagAndClass == null)
                  indexByTagAndClass = new Index[CONSTANT_Limit][];
              Index allClasses =  getIndexByTag(CONSTANT_Class);
              Index[] perClassIndexes = indexByTagAndClass[tag];
              if (perClassIndexes == null) {