[lworld] RFR: 8241533: [lworld] PhaseMacroExpand::migrate_outs should be replaced b…

[Tobias Hartmann]

The fix for JDK-8237581 added PhaseMacroExpand::migrate_outs which can be replaced by PhaseIterGVN::replace_in_uses.

-------------

Commit messages:
 - 8241533: [lworld] PhaseMacroExpand::migrate_outs should be replaced by PhaseIterGVN::replace_in_uses

Changes: https://git.openjdk.java.net/valhalla/pull/4/files
 Webrev: https://webrevs.openjdk.java.net/valhalla/4/webrev.00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8241533
  Stats: 22 lines in 3 files changed: 2 ins; 13 del; 7 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/4.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/4/head:pull/4

PR: https://git.openjdk.java.net/valhalla/pull/4