[jfx17u] RFR: 8283402: Update to gcc 11.2.0 on Linux

[Kevin Rushforth]

Clean backport. CI build run on Linux.

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Commit messages:
 - 8283402: Update to gcc 11.2 on Linux

Changes: https://git.openjdk.org/jfx17u/pull/94/files
 Webrev: https://webrevs.openjdk.org/?repo=jfx17u&pr=94&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8283402
  Stats: 6 lines in 3 files changed: 0 ins; 0 del; 6 mod
  Patch: https://git.openjdk.org/jfx17u/pull/94.diff
  Fetch: git fetch https://git.openjdk.org/jfx17u pull/94/head:pull/94

PR: https://git.openjdk.org/jfx17u/pull/94