JDK-8170830 : 18.5.2: Allow stuck lambdas to be reduced before target type constraint
  • Type: Bug
  • Component: specification
  • Sub-Component: language
  • Affected Version: 8
  • Priority: P4
  • Status: Open
  • Resolution: Unresolved
  • Submitted: 2016-12-06
  • Updated: 2017-01-06
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tbd_majorUnresolved
Related Reports
Blocks :  
JDK-8153748 - Inference: stuck expressions should not be considered ahead of target-type constraints evaluation
Relates :  
JDK-8138954 - Inference failure when using a constructor reference
Description
Per JDK-8153748, javac currently attempts to reduce some stuck lambdas before deriving bounds from the method invocation's target type. We should consider specifying this behavior rather than forcing javac to be less helpful.