[jdk13u-dev] RFR: 8283059: Uninitialized warning in check_code.c with GCC 11.2

[Roman Marchenko]

Backport JDK-8283059
This is a fix for GCC11's 'maybe-uninitialized' warning
Clean backport, no tier1 regressions.

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Commit messages:
 - Backport d8893fad23d1ee6841336b96c34599643edb81ce

Changes: https://git.openjdk.org/jdk13u-dev/pull/414/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk13u-dev&pr=414&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8283059
  Stats: 29 lines in 1 file changed: 9 ins; 0 del; 20 mod
  Patch: https://git.openjdk.org/jdk13u-dev/pull/414.diff
  Fetch: git fetch https://git.openjdk.org/jdk13u-dev pull/414/head:pull/414

PR: https://git.openjdk.org/jdk13u-dev/pull/414