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


Still having intermittent SEGV, today:

```
/ruby/test/ruby/test_gc_compact.rb:129: [BUG] Object 0x000000000e2c9a80 [0     ] proc (Proc) block in on_gc@/install/lib/ruby/2.7.0/drb/timeridconv.rb:65 points to MOVED: 0x0000000001daec28 -> 0x000000000e2f89c0 [0     ] T_IMEMO env

ruby 2.7.0dev (2019-05-15 trunk 214e2f93aa) [x64-mingw32]

-- Control frame information -----------------------------------------------
c:0016 p:---- s:0114 e:000113 CFUNC  :verify_compaction_references
c:0015 p:0025 s:0109 e:000108 METHOD /ruby/test/ruby/test_gc_compact.rb:129
<clipped>
```

----------------------------------------
Bug #15809: GC.verify_compaction_references - intermittent SEGV's on multiple platforms
https://bugs.ruby-lang.org/issues/15809#change-78029

* Author: MSP-Greg (Greg L)
* Status: Assigned
* Priority: Normal
* Assignee: tenderlovemaking (Aaron Patterson)
* Target version: 
* ruby -v: ruby 2.7.0dev (2019-05-06 trunk c3cf1ef9bb) [x64-mingw32
* 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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