[ruby-core:85905] [Ruby trunk Bug#13895] TestVMDump test fails on High Sierra

Issue #13895 has been updated by nagachika (Tomoyuki Chikanaga).

Backport changed from 2.2: DONTNEED, 2.3: REQUIRED, 2.4: REQUIRED to 2.2: DONTNEED, 2.3: REQUIRED, 2.4: DONE

ruby_2_4 r62640 merged revision(s) 59893,59922.

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Bug #13895: TestVMDump test fails on High Sierra
https://bugs.ruby-lang.org/issues/13895#change-70760

* Author: hsbt (Hiroshi SHIBATA)
* Status: Closed
* Priority: Normal
* Assignee: 
* Target version: 2.5
* ruby -v: ruby 2.5.0dev (2017-09-14 trunk 59870) [x86_64-darwin17]
* Backport: 2.2: DONTNEED, 2.3: REQUIRED, 2.4: DONE
----------------------------------------
TestVMDump#test_darwin_invalid_call fails with `Timeout::Error`

I can reproduce with `ruby -rfiddle -e "Fiddle::Function.new(Fiddle::Pointer.new(1), [], Fiddle::TYPE_VOID).call"`.
After that backtrace was stopped "C level backtrace information" section. like this

```
~ > ruby -rfiddle -e "Fiddle::Function.new(Fiddle::Pointer.new(1), [], Fiddle::TYPE_VOID).call"
-e:1: [BUG] Segmentation fault at 0x0000000000000001
ruby 2.5.0dev (2017-09-14 trunk 59870) [x86_64-darwin17]

-- Crash Report log information --------------------------------------------
   See Crash Report log file under the one of following:                    
     * ~/Library/Logs/DiagnosticReports                                     
     * /Library/Logs/DiagnosticReports                                      
   for more details.                                                        
Don't forget to include the above Crash Report log file in bug reports.     

-- Control frame information -----------------------------------------------
c:0003 p:---- s:0010 e:000009 CFUNC  :call
c:0002 p:0041 s:0006 e:000005 EVAL   -e:1 [FINISH]
c:0001 p:0000 s:0003 E:002150 (none) [FINISH]

-- Ruby level backtrace information ----------------------------------------
-e:1:in `<main>'
-e:1:in `call'

-- Machine register context ------------------------------------------------
 rax: 0x0000000000000000 rbx: 0x00007ffee4ff8d88 rcx: 0x0000000000000000
 rdx: 0x0000000000000000 rdi: 0x0000000000000000 rsi: 0x0000000000000000
 rbp: 0x00007ffee4ff8c00 rsp: 0x00007ffee4ff8bf8  r8: 0x0000000000000000
  r9: 0x0000000000000000 r10: 0x00007ffee4ff8b50 r11: 0x0000000000000001
 r12: 0x0000000000000000 r13: 0x0000000000000000 r14: 0x000000010b1566e0
 r15: 0x00007ffee4ff8d70 rip: 0x0000000000000001 rfl: 0x0000000000010246

-- C level backtrace information -------------------------------------------
(stopped this line)
```





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