RFR: 8369657: [AIX] TOC overflow in static-launcher build when building slowdebug after JDK-8352064

[Joachim Kern]

When building 'make all' on AIX / slowdebug the build fails :

ld: 0711-345 Use the -bloadmap or -bnoquiet option to obtain more information.
ld: 0711-781 ERROR: TOC overflow. TOC size: 646240 Maximum size: 65536
.ibm-clang: error: linker command failed with exit code 12 (use -v to see invocation)
gmake[3]: *** [StaticLibs.gmk:125: /build_slowdebug/support/static-native/launcher/java] Error 12
gmake[2]: *** [make/Main.gmk:464: static-launcher] Error 2
This is because after introducing the static-launcher for AIX with [JDK-8352064](https://bugs.openjdk.org/browse/JDK-8352064) the slowdebug build was not tested. The fastdebug or release build optimizes the not needed stuff away, while the real debug build keeps it running out of TOC space.

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Commit messages:
 - JDK-8369657

Changes: https://git.openjdk.org/jdk/pull/27767/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=27767&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8369657
  Stats: 3 lines in 1 file changed: 3 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/27767.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/27767/head:pull/27767

PR: https://git.openjdk.org/jdk/pull/27767