[OpenJDK 2D-Dev] RFR: 8263138: Initialization of sun.font.SunFontManager.platformFontMap is not thread safe

[Andrey Turbanov]

8263138: Initialization of sun.font.SunFontManager.platformFontMap is not thread safe

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Commit messages:
 - [PATCH] Thread-safe initialization of SunFontManager.platformFontMap
 - [PATCH] Thread-safe initialization of SunFontManager.platformFontMap

Changes: https://git.openjdk.java.net/jdk/pull/2762/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=2762&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8263138
  Stats: 7 lines in 1 file changed: 3 ins; 0 del; 4 mod
  Patch: https://git.openjdk.java.net/jdk/pull/2762.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/2762/head:pull/2762

PR: https://git.openjdk.java.net/jdk/pull/2762