[jdk13u-dev] RFR: 8248532: Every time I change keyboard language at my MacBook, Java crashes

[Olga Mikhaltsova]

I'd like to backport JDK-8248532 to jdk13u for parity with jdk11u.
The original patch applied cleanly.
Tested with jtreg:test/jdk:jdk_awt. No regression in tests.

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Commit messages:
 - Backport 6329de45045da3ce937cd22d82e74c3f142ea3f2

Changes: https://git.openjdk.java.net/jdk13u-dev/pull/64/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk13u-dev&pr=64&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8248532
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk13u-dev/pull/64.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk13u-dev pull/64/head:pull/64

PR: https://git.openjdk.java.net/jdk13u-dev/pull/64