DO NOT REPLY [Bug 38834] New: - nullpointer exception in InstructionHandle

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http://issues.apache.org/bugzilla/show_bug.cgi?id=38834

           Summary: nullpointer exception in InstructionHandle
           Product: BCEL
           Version: 5.1
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: critical
          Priority: P2
         Component: Main
        AssignedTo: [email protected]
        ReportedBy: [email protected]


please add missing checks for null references in InstructionHandle.java to 
avoid null pointer exceptions:

A) in line 161

  /**
   * Denote this handle isn't referenced anymore by t.
   */
  public void removeTargeter(InstructionTargeter t) {
==ADD==>    if (targeters != null)
      targeters.remove(t);
  }

B) in line 238

  /** @return all attributes associated with this handle
   */
  public Collection getAttributes() {
==ADD==>    if(attributes == null)
==ADD==>      attributes = new HashMap(3);
    return attributes.values();
  }

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