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

[Xin Liu]

On Thu, 22 Oct 2020 07:28:01 GMT, Xin Liu <xliu at openjdk.org> wrote:

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

eg. -XX:CompileCommand=option,java.lang.String::startsWith,BreakAtCompile directs JIT compilers to hit BREAKPOINT when they compile the method java.lang.String::startsWith.

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