RFR: JDK-8314163: os::print_hex_dump prints incorrectly for big endian platforms and unit sizes larger than 1 [v3]

[Thomas Stuefe]

> See comment. Seen on AIX. Big-endian is a pain.
> 
> Thanks to @MBaesken for testing the patch.

Thomas Stuefe has updated the pull request incrementally with one additional commit since the last revision:

  Remove alignas

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Changes:
  - all: https://git.openjdk.org/jdk/pull/15256/files
  - new: https://git.openjdk.org/jdk/pull/15256/files/caef3d5a..61bbe44c

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=15256&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=15256&range=01-02

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/15256.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15256/head:pull/15256

PR: https://git.openjdk.org/jdk/pull/15256