During the resoluiton of JDK-8079120 one of the @build statements has been added as: 
@build jdk.test.lib.hprof.module.*
This is a typo and the correct statement should be:
@build jdk.test.lib.hprof.model.*
@build jdk.test.lib.hprof.module.*
This is a typo and the correct statement should be:
@build jdk.test.lib.hprof.model.*
- relates to
- 
                    JDK-8079120 serviceability/dcmd/gc/HeapDumpAllTest.java: compilation failed -           
- Resolved
 
-