RFR: 8275333: Print count in "Too many recored phases?" assert [v2]

[Stefan Karlsson]

> Just a small change to get some more information when this assert fails.

Stefan Karlsson has updated the pull request incrementally with one additional commit since the last revision:

  Fix typo

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/5966/files
  - new: https://git.openjdk.java.net/jdk/pull/5966/files/751ecf5b..419a77f2

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=5966&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=5966&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/5966.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/5966/head:pull/5966

PR: https://git.openjdk.java.net/jdk/pull/5966