Ruby

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)