[jdk8u-dev] RFR: 8285696: AlgorithmConstraints:permits not throwing IllegalArgumentException when 'alg' is null [v3]

[Alexey Bakhtin]

> This is a follow-up fix for the JDK-8285398: Cache the results of constraint checks
> Simple fix to prevent JCK failure
> 
> This fix should be applied after JDK-8285398

Alexey Bakhtin has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains two commits:

 - Merge branch 'master' into JDK-8285696
 - Backport 47951655acacba515c0d69f5192257664f887dba

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

Changes: https://git.openjdk.org/jdk8u-dev/pull/382/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk8u-dev&pr=382&range=02
  Stats: 3 lines in 1 file changed: 3 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk8u-dev/pull/382.diff
  Fetch: git fetch https://git.openjdk.org/jdk8u-dev.git pull/382/head:pull/382

PR: https://git.openjdk.org/jdk8u-dev/pull/382