The fix for JDK-4774077 introduced covariant return types in the NIO buffer hierarchy.
As a consequence that fix introduced redundant casts (and because of -Werror a build failure) in langtools when compiling with JDK 9, but the casts are still required when bootstrapping with JDK 8.
The fix forJDK-8062376 added @SuppressWarnings("cast") annotations to ensure no build failure.
When JDK 9 becomes the default bootstrap JDK the @SuppressWarnings("cast") and casts can be removed.
As a consequence that fix introduced redundant casts (and because of -Werror a build failure) in langtools when compiling with JDK 9, but the casts are still required when bootstrapping with JDK 8.
The fix for
When JDK 9 becomes the default bootstrap JDK the @SuppressWarnings("cast") and casts can be removed.
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JDK-8189094 Change required boot jdk to JDK 9
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- Resolved
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JDK-8062376 Suppress cast warnings when using NIO buffers
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- Closed
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- Open
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- Closed
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