JDK-8016205 : Lambda Spec: Make varargs access checking a post-compatibility test
  • Type: Bug
  • Component: specification
  • Sub-Component: language
  • Priority: P3
  • Status: Closed
  • Resolution: Fixed
  • Submitted: 2013-06-07
  • Updated: 2014-06-10
  • Resolved: 2013-09-05
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A varargs method is applicable only if the element type is accessible at the call site.  If the element type is an inference variable (alpha[]), inference is left to figure out which choice for alpha will be accessible.  So, in order to support inference, the access check should happen after inference is done.
Fixed. Updated spec text (Part F, 15.12.3): -- If the compile-time declaration is applicable by variable-arity invocation, then where the last formal parameter type of the invocation type of the method is Fn[], it is a compile-time error if the type which is the erasure of Fn is not accessible at the point of invocation. -- (And the similar check has been removed from