RFR: 8266176: -Wmaybe-uninitialized happens in libArrayIndexOutOfBoundsExceptionTest.c [v2]

[Yasumasa Suenaga]

> We can see some compiler warnings in libArrayIndexOutOfBoundsExceptionTest.c as following on GCC 11. `content` should be initialized.

Yasumasa Suenaga has updated the pull request incrementally with one additional commit since the last revision:

  Update copyright year

-------------

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/3744/files
  - new: https://git.openjdk.java.net/jdk/pull/3744/files/d6a34320..cf52e512

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=3744&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=3744&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3744.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3744/head:pull/3744

PR: https://git.openjdk.java.net/jdk/pull/3744