[jdk11u-dev] RFR: 8227171: provide function names in native stack trace on aix with xlc16 [v2]

[Tyler Steele]

> #993
> 
> Backport of:
> 
> 8227171: provide function names in native stack trace on aix with xlc16
> 
> Reviewed-by: stuefe
> 
> Backport Notes:
> 
> - flags-cflags.m4: Minor change. One flag (-qstackprotect) expected by backported commit and not removed by it. Resolved by adding -qstackprotect.

Tyler Steele 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 three additional commits since the last revision:

 - Revert "8224214: [AIX] Remove support for legacy xlc compiler"
   
   This reverts commit 5361f7fa6eb91e9eeac34bf6e474e9a2d0038a5c.
 - 8227171: provide function names in native stack trace on aix with xlc16
   
   Reviewed-by: stuefe
   
   Backport Conflicts:
   - make/autoconf/flags-cflags.m4: Minor replacement change. Accept flag
   list from backported verson.
 - 8224214: [AIX] Remove support for legacy xlc compiler
   
   Reviewed-by: erikj, kbarrett, mdoerr, dholmes
   
   Backport Conflicts:
   - make/autoconf/toolchain.m4: Update header year.
   - src/hotspot/share/gc/g1/ptrQueue.hpp: Remove procedure definition (cpp
   does not contian impl).
   - src/hotspot/share/gc/shared/oopStorage.hpp: Remove procedure
   definition (cpp does not contain impl).
   - src/hotspot/share/runtime/vm_version.cpp: Remove ~100 lines not
   present in base version.
   - src/hotspot/share/utilities/globalDefinitions_xlc.hpp: Add xlc version
   check.

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

Changes:
  - all: https://git.openjdk.java.net/jdk11u-dev/pull/998/files
  - new: https://git.openjdk.java.net/jdk11u-dev/pull/998/files/e56023cc..16279b79

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=998&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=998&range=00-01

  Stats: 13236 lines in 705 files changed: 7169 ins; 3619 del; 2448 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/998.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/998/head:pull/998

PR: https://git.openjdk.java.net/jdk11u-dev/pull/998