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  1. JDK
  2. JDK-8222525

[lworld] Runtime support for LW2 Arrays

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    Details

    • Type: New Feature
    • Status: Resolved
    • Priority: P2
    • Resolution: Fixed
    • Affects Version/s: repo-valhalla
    • Fix Version/s: repo-valhalla
    • Component/s: hotspot
    • Labels:

      Description

       LW2 array covariance:

      "[QFoo;" <: "[LFoo;” <: “[LObject;” <: “Object;"

      We can freely allow widening conversion, but not narrowing. I.e. narrow checkcast must match [Q...

      https://mail.openjdk.java.net/pipermail/valhalla-dev/2019-April/005600.html

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              Assignee:
              dsimms David Simms
              Reporter:
              dsimms David Simms
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