[jdk11u-dev] RFR: 8222005: ClassRedefinition crashes with: guarantee(false) failed: OLD and/or OBSOLETE method(s) found [v3]

[Martin Doerr]

> Backport of [JDK-8222005](https://bugs.openjdk.org/browse/JDK-8222005) on top of https://github.com/openjdk/jdk11u-dev/pull/2816.
> 
> 1. jvmtiRedefineClasses.cpp requires manual integration, but all hunks are integrated (1st commit).
> 2. `constantPoolHandle other_cp` needs to be removed, because it's replaced in new code (2nd commit).

Martin Doerr has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains four commits:

 - Remove constantPoolHandle other_cp which is replaced by new code.
 - Backport 2ff9f53a442a625316cb6fedd699008d68cebc15
 - Remove duplicate Method* get_new_method() const
 - Backport 351280bbb8337eff6b61ce305ead2bf207370889

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

Changes: https://git.openjdk.org/jdk11u-dev/pull/2817/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2817&range=02
  Stats: 99 lines in 3 files changed: 33 ins; 36 del; 30 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2817.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2817/head:pull/2817

PR: https://git.openjdk.org/jdk11u-dev/pull/2817