RFR: 8369560: Slowdebug build without CDS fails [v2]

[Matthias Baesken]

> Slowdebug builds without CDS fail, this was noticed on AIX.
> On Linux x86_64 (when using --with-debug-level=slowdebug --disable-cds ) I get a little better error messages , pointing already to code locations :
> 
> 
> /jdk/src/hotspot/share/oops/trainingData.hpp:155: error: undefined reference to 'TrainingData::TrainingDataLocker::_snapshot'
> /jdk/src/hotspot/share/classfile/vmClasses.cpp:123: error: undefined reference to 'AOTLinkedClassBulkLoader::preload_classes(JavaThread*)'
> collect2: error: ld returned 1 exit status

Matthias Baesken has updated the pull request incrementally with one additional commit since the last revision:

  Remove not needed macro in trainingData.cpp

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/27744/files
  - new: https://git.openjdk.org/jdk/pull/27744/files/13b3a872..8d69ea9c

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=27744&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=27744&range=00-01

  Stats: 2 lines in 1 file changed: 0 ins; 2 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/27744.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/27744/head:pull/27744

PR: https://git.openjdk.org/jdk/pull/27744