RFR: 8269882: stack-use-after-scope in NewObjectA

[David Holmes]

Please review this trivial fix to add '&' so that a macro parameter is passed as a reference.

See bug for details.

Thanks,
David

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Commit messages:
 - 8269882: stack-use-after-scope in NewObjectA

Changes: https://git.openjdk.java.net/jdk/pull/4683/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=4683&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8269882
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4683.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4683/head:pull/4683

PR: https://git.openjdk.java.net/jdk/pull/4683