RFR: 8251505: Use of types in compiler shared code should be consistent. [v7]

[Yi-Fan Tsai]

> 8251505: Use of types in compiler shared code should be consistent.

Yi-Fan Tsai has updated the pull request incrementally with one additional commit since the last revision:

  Revert "Use jlong instead of int64_t"

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/7294/files
  - new: https://git.openjdk.java.net/jdk/pull/7294/files/bca7b783..01f3b1f2

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=7294&range=06
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=7294&range=05-06

  Stats: 23 lines in 4 files changed: 1 ins; 0 del; 22 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7294.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7294/head:pull/7294

PR: https://git.openjdk.java.net/jdk/pull/7294