[lworld] RFR: 8249091: [asm] Updates to ASM to support inline opcodes default and withfield

[Roger Riggs]

A few updates ASM to enable generation of classfiles with default and withfield opcodes
and the classfile modified bit for inline classes.

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Commit messages:
 - Updates to ASM to support inline opcodes default and withfield

Changes: https://git.openjdk.java.net/valhalla/pull/106/files
 Webrev: https://webrevs.openjdk.java.net/valhalla/106/webrev.00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8249091
  Stats: 9 lines in 2 files changed: 7 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/106.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/106/head:pull/106

PR: https://git.openjdk.java.net/valhalla/pull/106