# \[\*0\];0 dumps core

**URL:** <https://www.ruby-forum.com/t/0-0-dumps-core/108281>\
**Category:** Development\
**Created:** [July 1, 2007, 5:15pm UTC](https://www.ruby-forum.com/t/0-0-dumps-core/108281 "2007-07-01T17:15:38Z")\
**Posts on this page:** 4\
**Page:** 1

<div class="post-metadata">

**Author:** ![Yusuke\_ENDOH](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/c89c15/32.png) [@Yusuke\_ENDOH](https://www.ruby-forum.com/u/Yusuke_ENDOH)\
**Post date:** [July 1, 2007, 5:15pm UTC](https://www.ruby-forum.com/t/0-0-dumps-core/108281/1 "2007-07-01T17:15:38Z")

</div>

e$B1sF#$H?=$7$^$9!#e(B

1.9 e$B$G0J2\<$N$h$&$K$9$k$HMn$A$^$9!#e(B

## $ ./ruby -e ‘[\*0];0’ -e:1: – control frame ---------- c:0003 p:0007 s:0006 b:0005 l:000004 d:000004 TOP -e:1 c:0002 p:---- s:0003 b:0003 l:000002 d:000002 FINISH :inherited c:0001 p:---- s:0001 b:-001 l:000000 d:000000 ------

## – backtrace of native function call (Use addr2line) – 0x80daaf5 0x80f3d50 0x80d80e9 0x80d8514 0x80d8909 0x8059042 0x8059066 0x805d5f1 0x8056d1f 0xb7d4bea8 0x8056c51

[BUG] Stack consistency error (sp: 6, bp: 5)  
ruby 1.9.0 (2007-07-01) [i686-linux]

e$B%"%!\<%H$7$^$7$?e(B (core dumped)

[ruby-dev:31068] e$B$HF1$8LdBj$@$H;W$$$^$9!#e(B

# Index: compile.c

— compile.c (revision 12674)  
+++ compile.c (working copy)  
@@ -3940,6 +3940,9 @@  
case NODE\_SPLAT:{  
COMPILE(ret, “splat”, node-\>nd\_head);  
ADD\_INSN1(ret, nd\_line(node), splatarray, Qfalse);

- if (poped) {
- 

```
 ADD_INSN(ret, nd_line(node), pop);

```

- }  
break;  
}  
case NODE\_DEFN:{

---

<div class="post-metadata">

**Author:** ![Yusuke\_ENDOH](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/c89c15/32.png) [@Yusuke\_ENDOH](https://www.ruby-forum.com/u/Yusuke_ENDOH)\
**Post date:** [July 3, 2007, 9:42pm UTC](https://www.ruby-forum.com/t/0-0-dumps-core/108281/2 "2007-07-03T21:42:20Z")

</div>

e$B!!$5$5$@$G$9!#e(B

Yusuke ENDOH wrote:

> $ ./ruby -e ‘[\*0];0’  
> …  
> [ruby-dev:31068] e$B$HF1$8LdBj$@$H;W$$$^$9!#e(B

e$B!!$"$j$,$H$&$4$6$$$^$9!#=$@5$7$^$7$?!#$D$$$G$K!"e(B[\*0]; 0 e$B$Oe(B

0000 putobject 0  
0002 leave

e$B$H%3%s%Q%$%k$9$k$h$&$K$7$^$7$?!#e(B

---

<div class="post-metadata">

**Author:** ![Yusuke\_ENDOH](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/c89c15/32.png) [@Yusuke\_ENDOH](https://www.ruby-forum.com/u/Yusuke_ENDOH)\
**Post date:** [July 3, 2007, 9:46pm UTC](https://www.ruby-forum.com/t/0-0-dumps-core/108281/3 "2007-07-03T21:46:20Z")

</div>

e$B!!$5$5$@$G$9!#e(B

SASADA Koichi wrote:

> e$B!!$"$j$,$H$&$4$6$$$^$9!#=$@5$7$^$7$?!#$D$$$G$K!"e(B[\*0]; 0 e$B$Oe(B
> 
> 0000 putobject 0  
> 0002 leave
> 
> e$B$H%3%s%Q%$%k$9$k$h$&$K$7$^$7$?!#e(B

e$B$"!#$3$l$GNc30$,H/@8$7$J$/$J$k$N$O$^$:$$$+$J$!!#e(B

def (o=’’).to\_splat  
raise  
end

[\*o]; 0

---

<div class="post-metadata">

**Author:** ![Yusuke\_ENDOH](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/c89c15/32.png) [@Yusuke\_ENDOH](https://www.ruby-forum.com/u/Yusuke_ENDOH)\
**Post date:** [July 4, 2007, 1:45am UTC](https://www.ruby-forum.com/t/0-0-dumps-core/108281/4 "2007-07-04T01:45:52Z")

</div>

e$B$^$D$b$He(B e$B$f$-$R$m$G$9e(B

In message “Re: [ruby-dev:31126] Re: [\*0];0 dumps core”  
on Wed, 4 Jul 2007 04:45:39 +0900, SASADA Koichi [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)  
writes:

|SASADA Koichi wrote:  
|\> e$B!!$"$j$,$H$&$4$6$$$^$9!#=$@5$7$^$7$?!#$D$$$G$K!“e(B[\*0]; 0 e$B$Oe(B  
|\>  
|\> 0000 putobject 0  
|\> 0002 leave  
|\>  
|\> e$B$H%3%s%Q%$%k$9$k$h$&$K$7$^$7$?!#e(B  
|  
|e$B$”!#$3$l$GNc30$,H/@8$7$J$/$J$k$N$O$^$:$$$+$J$!!#e(B  
|  
|def (o=‘’).to\_splat  
| raise  
|end  
|  
|[\*o]; 0

e$B$I$&$$$&M}6~$G$3$l$,Nc30$,H/@8$7$J$/$J$C$?$N$+$A$g$C$H$o$+$ie(B  
e$B$J$$$N$G$9$,!“@Q6KE\*$K:GE,2=$r9T$&$N$O%j%F%i%kBP\>]$N$H$-$@$1e(B  
e$B$H$$$&$N$O$I$&$G$7$g$&!#87L)$K$O%j%F%i%k$Ne(Bto\_splate$B$,Dj5A$5$le(B  
e$B$k2DG=@-$b$”$k$1$I!"$=$l$OBE6($G$-$k$H;W$$$^$9!#e(B