RFR: 8263377: Store method handle linkers in the 'non-nmethods' heap

[Yi-Fan Tsai]

8263377: Store method handle linkers in the 'non-nmethods' heap

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Commit messages:
 - Add PrintCodeCache support
 - Merge branch 'master' of https://github.com/yftsai/jdk into intrinsics
 - Merge branch 'master' of https://github.com/yftsai/jdk into intrinsics
 - Move to RuntimeBlob
 - Merge branch 'master' of https://github.com/yftsai/jdk into intrinsics
 - Move MHI to BufferBlob
 - Change _code to CodeBlob
 - minimize changes
 - Move MH intrinsics from CompiledMethod
 - Fix x86 build
 - ... and 5 more: https://git.openjdk.java.net/jdk/compare/f5bbade9...63771d64

Changes: https://git.openjdk.java.net/jdk/pull/8760/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=8760&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8263377
  Stats: 575 lines in 44 files changed: 295 ins; 172 del; 108 mod
  Patch: https://git.openjdk.java.net/jdk/pull/8760.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/8760/head:pull/8760

PR: https://git.openjdk.java.net/jdk/pull/8760