Issue #15809 has been reported by MSP-Greg (Greg L).

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Bug #15809: GC.verify_compaction_references - intermittent SEGV's on multiple platforms
https://bugs.ruby-lang.org/issues/15809

* Author: MSP-Greg (Greg L)
* Status: Open
* Priority: Normal
* Assignee: 
* Target version: 
* ruby -v: 
* Backport: 2.4: UNKNOWN, 2.5: UNKNOWN, 2.6: UNKNOWN
----------------------------------------
See

https://travis-ci.org/ruby/ruby/jobs/525627187#L2684
https://ci.appveyor.com/project/ruby/ruby/builds/24138134/job/i7e441u7se11w7ey#L3402

Both have an error similar to:
```
/ruby/test/ruby/test_gc_compact.rb:128: [BUG] ROOT finalizers points to MOVED:
  0x0000000004679c20 -> 0x00000000089367c0 [0     ] T_ARRAY [E ] len: 1 (embed)
```

ruby-loco has also failed with a similar error.  Attached STDERR output.

---Files--------------------------------
test_all_err.log (42 KB)


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