RFR: 8166727: javac crashed: [jimage.dll+0x1942] ImageStrings::find+0x28

[Jim Laskey]

We should never close the jimage since java threads can still be running after a hard exit().

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

Commit messages:
 - 8166727: javac crashed: [jimage.dll+0x1942] ImageStrings::find+0x28

Changes: https://git.openjdk.java.net/jdk/pull/3304/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=3304&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8166727
  Stats: 6 lines in 1 file changed: 6 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3304.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3304/head:pull/3304

PR: https://git.openjdk.java.net/jdk/pull/3304