Commits on Feb 1, 2023

1. [null] Incomplete handling of @NonNullByDefault - fixes eclipse-jdt#682 …

   + applying @NNBD to a type parameter needs to know, whether on demand
     resolving has already happened (to detect explicit null annotations)
     - ASTNode.resolveAnnotations
     - STB.maybeMarkTypeParametersNonNull
   + better distinction if null tag bits result from @NNBD or explicit anno
     - ASTNode.mergeAnnotationsIntoType
       - may now report redundance
       - fix withdrawal of contradiction null annots after these changes
   + more detection of redundance below @NNBD
     - TypeParameter.resolveAnnotations
     - TypeReference.resolveAnnotations - one focus on annots on dimensions
     - MethodBinding.fillInDefaultNonNullness18 - less reporting here
     - ProblemReporter.nullAnnotationIsRedundant
       - 2 more overloads
       - fine tuning of error positions
   + be careful not to apply @NNBD to typevar (when using TYPE_USE)
     - new methods {Scope,STB}.hasDefaultNullnessForType()
   + expect redundance warning in may more tests
     - NullTypeAnnotationTest
     - NullAnnotationBatchCompilerTest
   + ignore newly reported warnings in other tests:
     - IncrementalTests18.testBug483744_remove
     - ExternalAnnotations18Test (several)
   + new tests from Bugs 522142 and 499596

   

   stephan-herrmann committed Feb 1, 2023
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