[vectorIntrinsics] RFR: Merge panama-vector:master [v3]

[Sandhya Viswanathan]

> This pull request merges master changes into vectorIntrinsics.
> 
> @nsjian Need your help to merge test/hotspot/gtest/aarch64/asmtest.out.h (I have left the git merge markers in place for asmtest.out.h).
> 
> Best Regards,
> Sandhya

Sandhya Viswanathan has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 371 commits:

 - Another merge
 - correct permission on asmtest.out.h
 - asmtest.out.h file from Xiaohong
 - Merge
 - 8265773: incorrect jdeps message "jdk8internals" to describe a removed JDK internal API
   
   Reviewed-by: alanb
 - 8196415: Disable SHA-1 Signed JARs
   
   Reviewed-by: coffeys
 - 8266206: Build failure after JDK-8264752 with older GCCs
   
   Reviewed-by: mgronlun
 - 8266165: TestNoWarningLoopStripMiningIterSet is runnable only on VM w/ G1, Shenandoah, Z and Epsilon
   
   Reviewed-by: roland
 - 8266188: mark hotspot compiler/cpuflags tests which ignore VM flags
   
   Reviewed-by: chagedorn, thartmann
 - 8266184: a few compiler/debug tests don't check exit code
   
   Reviewed-by: thartmann
 - ... and 361 more: https://git.openjdk.java.net/panama-vector/compare/3c6bc2e0...c4fa3ced

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

Changes: https://git.openjdk.java.net/panama-vector/pull/74/files
 Webrev: https://webrevs.openjdk.java.net/?repo=panama-vector&pr=74&range=02
  Stats: 590147 lines in 5946 files changed: 59555 ins; 521629 del; 8963 mod
  Patch: https://git.openjdk.java.net/panama-vector/pull/74.diff
  Fetch: git fetch https://git.openjdk.java.net/panama-vector pull/74/head:pull/74

PR: https://git.openjdk.java.net/panama-vector/pull/74