RFR: JDK-8269206 A small typo in comment in test/lib/sun/hotspot/WhiteBox.java

[Miao Zheng]

return getMethodCompilationLevel(method, false /*not ost*/); 

"ost" should be "osr"

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Commit messages:
 - A small typo in comment in test/lib/sun/hotspot/WhiteBox.java

Changes: https://git.openjdk.java.net/jdk/pull/4566/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=4566&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8269206
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4566.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4566/head:pull/4566

PR: https://git.openjdk.java.net/jdk/pull/4566