RFR: 8316930: HotSpot should use noexcept instead of throw() [v2]

[Julian Waters]

> throw() has been deprecated since C++11 alongside dynamic exception specifications, we should replace all instances of it with noexcept to prepare HotSpot for later versions of C++

Julian Waters has updated the pull request incrementally with one additional commit since the last revision:

  Nevermind, this looks better

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Changes:
  - all: https://git.openjdk.org/jdk/pull/15910/files
  - new: https://git.openjdk.org/jdk/pull/15910/files/7f1dff96..acbc449c

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=15910&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=15910&range=00-01

  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/15910.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15910/head:pull/15910

PR: https://git.openjdk.org/jdk/pull/15910