RFR: 7074: Smart pruning of graphs to make it possible to sensibly render larger graphs [v2]

[Jean-Philippe Bempel]

> 7074: Smart pruning of graphs to make it possible to sensibly render larger graphs

Jean-Philippe Bempel has updated the pull request incrementally with one additional commit since the last revision:

  Add copyright

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Changes:
  - all: https://git.openjdk.org/jmc/pull/349/files
  - new: https://git.openjdk.org/jmc/pull/349/files/95462c04..e251afbc

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jmc&pr=349&range=01
 - incr: https://webrevs.openjdk.org/?repo=jmc&pr=349&range=00-01

  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jmc/pull/349.diff
  Fetch: git fetch https://git.openjdk.org/jmc pull/349/head:pull/349

PR: https://git.openjdk.org/jmc/pull/349