RFR: 8339320: Optimize ClassFile Utf8EntryImpl#inflate [v2]

[Shaojin Wen]

> A very small optimization, split the large method inflate, split the infrequently used paths into a method inflateCHAR

Shaojin Wen has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains eight commits:

 - Merge remote-tracking branch 'origin/optim_class_file_pool_inflat_202408' into optim_class_file_pool_inflat_202408
 - Update src/java.base/share/classes/jdk/internal/classfile/impl/AbstractPoolEntry.java
   
   Co-authored-by: ExE Boss <3889017+ExE-Boss at users.noreply.github.com>
 - Update src/java.base/share/classes/jdk/internal/classfile/impl/AbstractPoolEntry.java
   
   Co-authored-by: ExE Boss <3889017+ExE-Boss at users.noreply.github.com>
 - optimize Utf8EntryImpl inflate
 - Merge remote-tracking branch 'upstream/master' into optim_class_file_pool_inflat_202408
   
   # Conflicts:
   #	src/java.base/share/classes/jdk/internal/classfile/impl/AbstractPoolEntry.java
 - Suggestions from @liach
 - fix build error
 - optimize Utf8EntryImpl inflate

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Changes: https://git.openjdk.org/jdk/pull/20767/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=20767&range=01
  Stats: 76 lines in 1 file changed: 23 ins; 20 del; 33 mod
  Patch: https://git.openjdk.org/jdk/pull/20767.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/20767/head:pull/20767

PR: https://git.openjdk.org/jdk/pull/20767