RFR: 8291359: Specification of method j.l.foreign.VaList::skip still deserves clarification [v6]

[Jorn Vernee]

> A small clarification of the VaList spec to say that attempts to access elements through an incorrect memory layout result in undefined behavior.

Jorn Vernee has updated the pull request incrementally with one additional commit since the last revision:

  review

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Changes:
  - all: https://git.openjdk.org/jdk/pull/11440/files
  - new: https://git.openjdk.org/jdk/pull/11440/files/ba3e977e..95cac667

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=11440&range=05
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=11440&range=04-05

  Stats: 5 lines in 1 file changed: 0 ins; 1 del; 4 mod
  Patch: https://git.openjdk.org/jdk/pull/11440.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/11440/head:pull/11440

PR: https://git.openjdk.org/jdk/pull/11440