[jdk11u-dev] RFR: 8354941: Build failure with glibc 2.42 due to uabs() name collision [v2]

[Francesco Andreuzzi]

> Backport of JDK-8354941. Fixes a compilation error when building with glibc 2.42, which is rolling out soon on several Linux distros.
> 
> Some minor conflicts arose due to a couple files or snippets which do not exist in jdk11.
> 
> Passes tier1.

Francesco Andreuzzi has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:

 - Merge remote-tracking branch 'origin/master' into JDK-8354941
 - Backport 38bb8adf4f632b08af15f2d8530b35f05f86a020

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

Changes:
  - all: https://git.openjdk.org/jdk11u-dev/pull/3069/files
  - new: https://git.openjdk.org/jdk11u-dev/pull/3069/files/fa28fbdc..b0294c88

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=3069&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=3069&range=00-01

  Stats: 4 lines in 1 file changed: 0 ins; 0 del; 4 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/3069.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/3069/head:pull/3069

PR: https://git.openjdk.org/jdk11u-dev/pull/3069