JDK-8048121 : javac complex method references: revamp and simplify
  • Type: Bug
  • Component: tools
  • Sub-Component: javac
  • Affected Version: 9
  • Priority: P4
  • Status: Closed
  • Resolution: Fixed
  • OS: generic
  • CPU: generic
  • Submitted: 2014-06-25
  • Updated: 2015-01-21
  • Resolved: 2014-06-25
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JDK 8 JDK 9
8u40Fixed 9 b22Fixed
Related Reports
Blocks :  
JDK-8038776 - VerifyError when running successfully compiled java class
Relates :  
JDK-8044737 - Lambda: NPE while obtaining method reference through lambda expression
Relates :  
JDK-8047341 - lambda reference to inner class in base class causes LambdaConversionException
Relates :  
JDK-8037404 - javac NPE or VerifyError for code with constructor reference of inner class
Relates :  
JDK-8044748 - JVM cannot access constructor though ::new reference although can call it directly
Description
Complex method references were handled by two different mechanisms: simplistic conversion to lambdas and translation phase bridging.  Neither was complete.  Together they did not handle all cases, notably method references within lambdas.

Revamp the LambdaToMethod code to use code derived from of the bridging code to convert to lambdas at analysis time.

This issue is a placeholder with two purposes: (1) document a significant structural code change that was pushed with the push of 8037404 (2) be a vehicle for pushing the tests of the issues fixed with that code change (that were missed in the push of that code).

This change fixes the linked issues.