ささだです．

　undef なメソッドを含んだ class の dup が変でした．直しました．

sheepman wrote:
> こんばんは、sheepman です。
> 以下のクラスのいずれかを dup すると core を吐きます。
> 
>  YARVCore::VM::Binding
>  YARVCore::VM::Proc
>  YARVCore::VM::Env
>  YARVCore::VM::Thread
>  YARVCore::VM
>  UnboundMethod
>  Method
>  Process::Status
>  MatchData
>  Struct
>  Float
>  Integer
>  FalseClass
>  TrueClass
>  Data
>  Symbol
>  NilClass
>  Class
> 
> $ ruby-2.0 -ve 'Class.dup'
> ruby 2.0.0 (Base: Ruby 1.9.0 2006-04-08) [i686-linux]
> YARVCore 0.4.1 Rev: 527 (2006-07-19) [opts: [direct threaded code] [inline method cache] ]
> -- stack frame ------------
> 0000 (0x402b3008): 00000004
> 0001 (0x402b300c): 00000005
> 0002 (0x402b3010): 00000004
> 0003 (0x402b3014): 00000001
> 0004 (0x402b3018): 402b2d1c
> 0005 (0x402b301c): 00000004
> 0006 (0x402b3020): 00000001
> 0007 (0x402b3024): 00000004
> 0008 (0x402b3028): 00000001 <- lfp <- dfp
> -- control frame ----------
> c:0005 p:---- s:0009 b:0009 l:000008 d:000008 CFUNC  :initialize_copy
> c:0004 p:---- s:0007 b:0007 l:000006 d:000006 CFUNC  :dup
> c:0003 p:0013 s:0004 b:0004 l:000003 d:000003 TOP    -e:1
> c:0002 p:---- s:0002 b:0002 l:000001 d:000001 FINISH
> c:0001 p:---- s:0000 b:-001 l:000000 d:000000 ------
> ---------------------------
> DBG> : "-e:1:in `dup'"
> DBG> : "-e:1:in `<main>'"
> [BUG] Segmentation fault
> ruby 2.0.0 (2006-04-08) [i686-linux]
> 
> zsh: abort      ruby-2.0 -ve 'Class.dup'
> 
> $ ruby-2.0 -ve 'MatchData.dup'
> ruby 2.0.0 (Base: Ruby 1.9.0 2006-04-08) [i686-linux]
> YARVCore 0.4.1 Rev: 527 (2006-07-19) [opts: [direct threaded code] [inline method cache] ]
> -- stack frame ------------
> 0000 (0x402b3008): 00000004
> 0001 (0x402b300c): 00000005
> 0002 (0x402b3010): 00000004
> 0003 (0x402b3014): 00000001
> 0004 (0x402b3018): 402a6bd4
> 0005 (0x402b301c): 00000004
> 0006 (0x402b3020): 00000001
> 0007 (0x402b3024): 00000004
> 0008 (0x402b3028): 00000001 <- lfp <- dfp
> -- control frame ----------
> c:0005 p:---- s:0009 b:0009 l:000008 d:000008 CFUNC  :initialize_copy
> c:0004 p:---- s:0007 b:0007 l:000006 d:000006 CFUNC  :dup
> c:0003 p:0013 s:0004 b:0004 l:000003 d:000003 TOP    -e:1
> c:0002 p:---- s:0002 b:0002 l:000001 d:000001 FINISH
> c:0001 p:---- s:0000 b:-001 l:000000 d:000000 ------
> ---------------------------
> DBG> : "-e:1:in `dup'"
> DBG> : "-e:1:in `<main>'"
> [BUG] Segmentation fault
> ruby 2.0.0 (2006-04-08) [i686-linux]
> 
> zsh: abort      ruby-2.0 -ve 'MatchData.dup'
> 
> 


-- 
// SASADA Koichi at atdot dot net



--
ML: yarv-dev quickml.atdot.net
Info: http://www.atdot.net/~ko1/quickml