8321053: Use ByteArrayInputStream.buf directly when parameter of transferTo() is trusted

[cost0much]

Clean backport. Fixes bug with ByteArrayInputStream.transferTo(OutputStream) passing ByteArrayInputStream.buf to OutputStream parameters not in package java.io. Change passes added test/jdk/java/io/ByteArrayInputStream/TransferToTrusted.java on linux x64.

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Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8321053 needs maintainer approval

Issue

• JDK-8321053: Use ByteArrayInputStream.buf directly when parameter of transferTo() is trusted (Bug - P4)

Reviewing

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$ git checkout pull/3515

Update a local copy of the PR:
$ git checkout pull/3515
$ git pull https://git.openjdk.org/jdk17u-dev.git pull/3515/head

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https://git.openjdk.org/jdk17u-dev/pull/3515.diff

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[openjdk]

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[openjdk]

This backport pull request has now been updated with issue from the original commit.