RFR: 8304725: AsyncGetCallTrace can cause SIGBUS on M1 [v4]

[Johannes Bechberger]

> Fixes the issue by transitioning the thread into the WXWrite mode while walking the stack in AsyncGetCallTrace.
> 
> Tested on my M1 mac.

Johannes Bechberger has updated the pull request incrementally with two additional commits since the last revision:

 - Remove misc lines
 - Disable caching in ASGCT

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/13144/files
  - new: https://git.openjdk.org/jdk/pull/13144/files/22b661dd..1973e005

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=13144&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=13144&range=02-03

  Stats: 33 lines in 3 files changed: 27 ins; 3 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/13144.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/13144/head:pull/13144

PR: https://git.openjdk.org/jdk/pull/13144