Hi,

`Objects.requireNonNull` may fail to be inlined. The call is expensive and may 
lead to objects escaping to the heap while the null check is cheap and is often 
elided. I have observed this when using the vector API when a call to 
`Objects.requireNonNull` leads to vectors being materialised in a hot loop.

Should the other `requireNonNull` be `ForceInline` as well?

Thank you very much.

-------------

Commit messages:
 - requireNonNull force inline

Changes: https://git.openjdk.java.net/jdk/pull/7543/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=7543&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8282143
  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7543.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7543/head:pull/7543

PR: https://git.openjdk.java.net/jdk/pull/7543

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