RFR: 8339159: api/java_rmi/Naming/Rebind.html crashes with SEGV from UTF8::quoted_ascii_length call [v2]

[David Holmes]

> This is a long standing bug in the symboltable=trace logging code that we just discovered because we enabled trace logging in some of our testing. The logging code is passed a Symbol that we apparently couldn't fast-free from the resource area, but in a debug build the Symbol has already been zapped and so can't be printed.
> 
> Testing
>  - internal testing of the code that demonstrated the failure (but it is intermittent)
>  - tiers 1-3 sanity
> 
> Thanks

David Holmes has updated the pull request incrementally with one additional commit since the last revision:

  Simplified approach based on @iklam's suggestion

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/20865/files
  - new: https://git.openjdk.org/jdk/pull/20865/files/688bde3f..978bc567

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=20865&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=20865&range=00-01

  Stats: 7 lines in 1 file changed: 1 ins; 4 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/20865.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/20865/head:pull/20865

PR: https://git.openjdk.org/jdk/pull/20865