Kangcheng Xu

[vxxx] add new extractors for vxxx and "friend" sites

3

### Before submitting a *pull request* make sure you have: - [x] [Searched](https://github.com/ytdl-org/youtube-dl/search?q=is%3Apr&type=Issues) the bugtracker for similar pull requests - [x] Read [adding new extractor tutorial](https://github.com/ytdl-org/youtube-dl#adding-support-for-a-new-site) - [x] Read [youtube-dl...

8327381: Refactor type-improving transformations in BoolNode::Ideal to BoolNode::Value

18

This PR resolves [JDK-8327381](https://bugs.openjdk.org/browse/JDK-8327381) Currently the transformations for expressions with patterns `((x & m) u

8328528: C2 should optimize long-typed parallel iv in an int counted loop

6

Currently, parallel iv optimization only happens in an int counted loop with int-typed parallel iv's. This PR adds support for long-typed iv to be optimized. Additionally, this ticket contributes to...