[jdk11u-dev] RFR: 8226943: compile error in libfollowref003.cpp with XCode 10.2 on macosx

[Goetz Lindenmaier]

A build fix needed after 8209611

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Commit messages:
 - Backport 4dececb589289605d38b8de69f1f3dc7a9a8ecb1
 - Backport 8c47dc4a946723de202c943bc577765cefa8d24a

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/636/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=636&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8226943
  Stats: 280942 lines in 2523 files changed: 140728 ins; 140205 del; 9 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/636.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/636/head:pull/636

PR: https://git.openjdk.java.net/jdk11u-dev/pull/636