(feel free to make this a subtask for JEP 165)

The latest webrev from Nils:
  http://cr.openjdk.java.net/~neliasso/8046155/webrev.03/

...regresses JMH @CompilerControl tests.

$ wget http://cr.openjdk.java.net/~shade/jmh/jmh-core-benchmarks.jar
$ java -jar jmh-core-benchmarks.jar -t compiler_hints -m quick

This is baseline JDK 9:

--------- COMPILER HINTS TEST

  This tests verifies compiler hints are working as expected. Two baseline tests
  run the workloadin inlined and non-inlined regiments. When the workload is inlined,
  the optimizations should kill the workload body. Compiler hints should successfully
  survive in both regiments: INLINE should always inline, and DONT_INLINE should always
  break inlining. EXCLUDE should be neutral to inlining policy completely.

                           Default inline policy: 0.25 ± 0.00 ns
                      + @CompilerControl(INLINE): 0.25 ± 0.00 ns
                 + @CompilerControl(DONT_INLINE): 17.91 ± 1.52 ns
                     + @CompilerControl(EXCLUDE): 59.53 ± 1.73 ns

                        Default no inline policy: 17.46 ± 0.02 ns
                      + @CompilerControl(INLINE): 0.25 ± 0.00 ns
                 + @CompilerControl(DONT_INLINE): 17.47 ± 0.06 ns
                     + @CompilerControl(EXCLUDE): 59.49 ± 0.38 ns

And this is current JEP 165:

--------- COMPILER HINTS TEST

  This tests verifies compiler hints are working as expected. Two baseline tests
  run the workloadin inlined and non-inlined regiments. When the workload is inlined,
  the optimizations should kill the workload body. Compiler hints should successfully
  survive in both regiments: INLINE should always inline, and DONT_INLINE should always
  break inlining. EXCLUDE should be neutral to inlining policy completely.

                           Default inline policy: 49.90 ± 4.17 ns
                      + @CompilerControl(INLINE): 48.40 ± 0.15 ns
                 + @CompilerControl(DONT_INLINE): 48.34 ± 0.15 ns
                     + @CompilerControl(EXCLUDE): 48.42 ± 0.24 ns

                        Default no inline policy: 26.31 ± 0.10 ns
                      + @CompilerControl(INLINE): 26.41 ± 0.29 ns
                 + @CompilerControl(DONT_INLINE): 26.34 ± 0.21 ns
                     + @CompilerControl(EXCLUDE): 26.31 ± 0.09 ns