[jdk11u-dev] RFR: 8266171: -Warray-bounds happens in imageioJPEG.c

[Paul Hohensee]

Part of GCC 11 compatibility backport. Applies cleanly net of file location.

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Commit messages:
- Backport b1725550a265c3ffb280969e1b8eabd12aa5bd65

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/700/files
Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=700&range=00
Issue: https://bugs.openjdk.java.net/browse/JDK-8266171
Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
Patch: https://git.openjdk.java.net/jdk11u-dev/pull/700.diff
Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/700/head:pull/700

PR: https://git.openjdk.java.net/jdk11u-dev/pull/700