RFR: 8247732: validate user-input intrinsic_ids in ControlIntrinsic [v6]

[Xin Liu]

> 8247732: validate user-input intrinsic_ids in ControlIntrinsic

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

 - 8247732: validate user-input intrinsic_ids in ControlIntrinsic
   
   avoid a warning of stringop-overflow
 - 8247732: validate user-input intrinsic_ids in ControlIntrinsic

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Changes: https://git.openjdk.java.net/jdk/pull/1179/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=1179&range=05
  Stats: 545 lines in 31 files changed: 522 ins; 2 del; 21 mod
  Patch: https://git.openjdk.java.net/jdk/pull/1179.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/1179/head:pull/1179

PR: https://git.openjdk.java.net/jdk/pull/1179