RFR: 8316294: AIX: Build fopen system call fails on file _BUILD_LIBJDWP_objectfilenames.txt [v2]

[Adam Farley]

> While building openjdk on aix, we see this build-fail error:
> 
> The fopen system call failed on file
> -f/home/.....etce4tcetc...../_BUILD_LIBJDWP_objectfilenames.txt
> 
> This change expands the fix for the similar issue on macosx, and prevents the fopen issue on aix.

Adam Farley has updated the pull request incrementally with one additional commit since the last revision:

  Compressing the change as advised.

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/15743/files
  - new: https://git.openjdk.org/jdk/pull/15743/files/5f4a9b06..11d61a7d

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=15743&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=15743&range=00-01

  Stats: 3 lines in 1 file changed: 0 ins; 2 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/15743.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15743/head:pull/15743

PR: https://git.openjdk.org/jdk/pull/15743