[jdk11u-dev] RFR: 8249836: java/io/IOException/LastErrorString.java should have bug-id as 1st word in @ignore

[Amos Shi]

Backport of [JDK-8249836](https://bugs.openjdk.org/browse/JDK-8249836)

Testing
- Local: 
- Pipeline: 
- Testing Machine:

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

Commit messages:
 - Backport c859fb02f3c11ceca491f99ef6fd2a80291383b0

Changes: https://git.openjdk.org/jdk11u-dev/pull/2926/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2926&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8249836
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2926.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2926/head:pull/2926

PR: https://git.openjdk.org/jdk11u-dev/pull/2926