RFR: 8282134: Certain regex can cause a JS trap in WebView

[Jay Bhaskar]

Fix YarrJIT backtrackCharacterClassNonGreedy breakpoint() Certain regex can cause a JS trap in WebView

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Commit messages:
 - 8282134: Certain regex can cause a JS trap in WebView

Changes: https://git.openjdk.java.net/jfx/pull/739/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jfx&pr=739&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8282134
  Stats: 22 lines in 3 files changed: 21 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jfx/pull/739.diff
  Fetch: git fetch https://git.openjdk.java.net/jfx pull/739/head:pull/739

PR: https://git.openjdk.java.net/jfx/pull/739