RFR: JDK-8271159: [REDO] JDK-8249634 doclint should report implicit constructor as missing javadoc comments

[Joe Darcy]

On Wed, 11 Aug 2021 17:38:49 GMT, Jonathan Gibbons <jjg at openjdk.org> wrote:

> Please review a do-over of JDK-8249634, to report a missing doc comment when an implicit/default constructor is used.
> 
> The `src` code is the same as before.   The previous version had missing test files (now added), and had a test fail because an interaction with another changeset that was pushed while the previous version was in review. The solution for that is the use of `-Xdoclint:all,-missing` in `TestDocTreeDiags.java`.

Marked as reviewed by darcy (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/5088