[lworld] FYI: 8242455: [lworld] C1 compilation fails with assert "should have same type"

[Tobias Hartmann]

Merge from mainline accidentally reverted the fix for JDK-8237894.

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Commit messages:
 - 8242455: [lworld] C1 compilation fails with assert "should have same type"

Changes: https://git.openjdk.java.net/valhalla/pull/17/files
 Webrev: https://webrevs.openjdk.java.net/valhalla/17/webrev.00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8242455
  Stats: 20 lines in 1 file changed: 16 ins; 0 del; 4 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/17.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/17/head:pull/17

PR: https://git.openjdk.java.net/valhalla/pull/17