RFR: 8368525: nmethod ic cleanup [v2]

[Hamlin Li]

> Hi,
> Can you help to review this simple patch?
> 
> There is some unused parameter and unnecessary/misleading method in nmethod.cpp, better to clean it up.
> I guess it might be a leftover after some previous refactoring? But I did not check further.
> 
> Thanks!

Hamlin Li has updated the pull request incrementally with one additional commit since the last revision:

  typo

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/27464/files
  - new: https://git.openjdk.org/jdk/pull/27464/files/a2043d44..303c0932

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=27464&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=27464&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/27464.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/27464/head:pull/27464

PR: https://git.openjdk.org/jdk/pull/27464