> Please review this explorative refactoring for VisibleMemberTable (VMT).
> 
> This is the first round of refactoring for VMT. This round is about *method 
> members*: declared (overriding and not) and inherited.
> 
> During this work I gained some insight into internal workings of VMT, fixed 
> what was feasible and left TODOs and FIXMEs for everything else. Leaving 
> those comments might look untidy, but leaving them out is wasteful: they 
> clearly mark issues that should be revisited in upcoming rounds of 
> refactoring.
> 
> As I see it today, the main issue with VMT is that implements complex and 
> error-prone computations from Java Language Specification (JLS) by hand. For 
> example, VMT interprets JLS rules for relations such as _inherits_, 
> _overrides_ and _hides_. As one would imagine, sometimes VMT does it 
> incorrectly. It would be better to eventually re-implement VMT using 
> `javax.lang.model` as much as possible. Unlike that of `jdk.javadoc`, the day 
> job of `javax.lang.model` is to provide JLS services.

Pavel Rappo has updated the pull request incrementally with one additional 
commit since the last revision:

  Clarify some assertions

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/12887/files
  - new: https://git.openjdk.org/jdk/pull/12887/files/3ad7fafa..c0dfb165

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=12887&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=12887&range=01-02

  Stats: 4 lines in 1 file changed: 2 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/12887.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/12887/head:pull/12887

PR: https://git.openjdk.org/jdk/pull/12887

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