RFR: 8241495: Make more compiler related flags available on a per method level [v3]

[Xin Liu]

> 8241495: Make more compiler related flags available on a per method level

Xin Liu has updated the pull request incrementally with one additional commit since the last revision:

  8241495: Make more compiler related flags available on a per method level
  
  rollback others but only leave breakAtCompile and breakAtExecution.

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/796/files
  - new: https://git.openjdk.java.net/jdk/pull/796/files/29590492..acc72cc3

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=796&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=796&range=01-02

  Stats: 5 lines in 2 files changed: 1 ins; 1 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk/pull/796.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/796/head:pull/796

PR: https://git.openjdk.java.net/jdk/pull/796