# Assertion failed in array.c on mswin32 Ruby (trunk)

**URL:** <https://www.ruby-forum.com/t/assertion-failed-in-array-c-on-mswin32-ruby-trunk/150662>\
**Category:** Development\
**Created:** [October 11, 2008, 12:34am UTC](https://www.ruby-forum.com/t/assertion-failed-in-array-c-on-mswin32-ruby-trunk/150662 "2008-10-11T00:34:32Z")\
**Posts on this page:** 8\
**Page:** 1

<div class="post-metadata">

**Author:** ![Masaki\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/58956e/32.png) [@Masaki\_S](https://www.ruby-forum.com/u/Masaki_S)\
**Post date:** [October 11, 2008, 12:34am UTC](https://www.ruby-forum.com/t/assertion-failed-in-array-c-on-mswin32-ruby-trunk/150662/1 "2008-10-11T00:34:32Z")

</div>

e$B=uED$G$9!#e(B  
e$BJs9p$@$1$G$9!#e(B

mswin32e$BHGe(B Ruby(trunk) e$B$Ge(B nmake  
e$B$9$k$He(B1e$B2sL$O$9$s$J$j:G8e$^$Ge(B  
e$B%3%s%Q%$%k!"%j%s%/$G$-$k$N$G$9$,!"e(B1e$B2sL$ND\>8e$K$b$&0lEYe(B  
nmake e$B$9$k$He(B array.c e$B$Ne(B 150e$B9TL$Ge(B Assertion failed  
e$B$,H/@8$7$^$9!#e(B

nmake -f enc.mk RUBY=".\miniruby.exe  
-I…/…/…/…/svn/ruby/trunk/lib "  
MINIRUBY=".\miniruby.exe -I…/…/…/…/svn/ruby/trunk/lib " -l srcs  
.\miniruby.exe -I…/…/…/…/svn/ruby/trunk/lib  
…/…/…/…/svn/ruby/trunk/enc/trans/make\_transdb.rb transdb.h.new  
…/…/…/…/svn/ruby/trunk/enc/trans enc/trans  
Assertion failed: RARRAY\_LEN(ary) == len, file  
…/…/…/…/svn/ruby/trunk/array.c, line 150

e$B%3%s%Q%$%ie(B e$B$Ne(B cl e$B$N%P!\<%8%g%s$Oe(B  
Microsoft® 32-bit C/C++ Optimizing Compiler  
Version 14.00.50727.762 for 80x86  
e$B$G$9e(B(Visual Studio 2005e$BImB0$N$b$N!#e(B)  
OSe$B$Oe(BWindows XP e$B$G$9!#e(B

mingw32 e$B$de(B cygwin e$B$G$OH/@8$7$F$$$J$$$G$9!#e(B

e$B=uEDe(B e$B2m5\*e(B

---

<div class="post-metadata">

**Author:** ![Masaki\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/58956e/32.png) [@Masaki\_S](https://www.ruby-forum.com/u/Masaki_S)\
**Post date:** [October 15, 2008, 5:48am UTC](https://www.ruby-forum.com/t/assertion-failed-in-array-c-on-mswin32-ruby-trunk/150662/2 "2008-10-15T05:48:31Z")

</div>

e$B$3$s$K$A$O!"$J$+$`$ie(B(e$B$&e(B)e$B$G$9!#e(B

In message “[ruby-dev:36704] Assertion failed in array.c on mswin32 Ruby  
(trunk)”  
on Oct.11,2008 07:31:17, [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote:

> mswin32e$BHGe(B Ruby(trunk) e$B$Ge(B nmake e$B$9$k$He(B1e$B2sL$O$9$s$J$j:G8e$^$Ge(B  
> e$B%3%s%Q%$%k!"%j%s%/$G$-$k$N$G$9$,!"e(B1e$B2sL$ND\>8e$K$b$&0lEYe(B  
> nmake e$B$9$k$He(B array.c e$B$Ne(B 150e$B9TL$Ge(B Assertion failed  
> e$B$,H/@8$7$^$9!#e(B

VC++6e$B$G$b:F8=$7$J$$$s$G$9$h$M$(!#e(B

e$B$G!“$J$s$H$J$/0J2\<$N%Q%C%A$GLdBj$O2sHr$G$-$k$h$&$J5$$,$9$k$se(B  
e$B$G$9$,!”$J$s$G$3$l$GD\>$k$N$+$O??LLL$K9M$($F$J$$$N$G$o$+$j$^e(B  
e$B$;$s!#e(B

# RESIZE\_CAPA()e$B$NCf$Ge(BARY\_SET\_LEN()e$B$9$k%Q%9$,$"$k$N$b$I$&$b5$e(B

# e$B$K$+$+$k$s$G$9$,e(B…

# Index: array.c

— array.c (revision 19786)  
+++ array.c (working copy)  
@@ -2927,10 +2927,10 @@ rb\_ary\_compact\_bang(VALUE ary)  
if (RARRAY\_LEN(ary) == n) {  
return Qnil;  
}

- ARY\_SET\_LEN(ary, n);  
if (n \* 2 \< ARY\_CAPA(ary) && ARY\_DEFAULT\_SIZE \* 2 \< ARY\_CAPA(ary))  
{  
RESIZE\_CAPA(ary, n \* 2);  
}

- ARY\_SET\_LEN(ary, n);

e$B$=$l$G$O!#e(B

---

<div class="post-metadata">

**Author:** ![Masaki\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/58956e/32.png) [@Masaki\_S](https://www.ruby-forum.com/u/Masaki_S)\
**Post date:** [October 15, 2008, 8:25am UTC](https://www.ruby-forum.com/t/assertion-failed-in-array-c-on-mswin32-ruby-trunk/150662/3 "2008-10-15T08:25:54Z")

</div>

e$B$3$s$K$A$O!"$J$+$`$ie(B(e$B$&e(B)e$B$G$9!#e(B

In message “[ruby-dev:36735] Re: Assertion failed in array.c on mswin32  
Ruby (trunk)”  
on Oct.15,2008 12:47:40, [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote:

> e$B$G!“$J$s$H$J$/0J2\<$N%Q%C%A$GLdBj$O2sHr$G$-$k$h$&$J5$$,$9$k$se(B  
> e$B$G$9$,!”$J$s$G$3$l$GD\>$k$N$+$O??LLL$K9M$($F$J$$$N$G$o$+$j$^e(B  
> e$B$;$s!#e(B
> 
> # RESIZE\_CAPA()e$B$NCf$Ge(BARY\_SET\_LEN()e$B$9$k%Q%9$,$"$k$N$b$I$&$b5$e(B
> 
> # e$B$K$+$+$k$s$G$9$,e(B…

e$BD\>46$KMj$i$J$$$G??LLL$K860x$r9M$($F$\_$?$H$3$m!“e(BRESIZE\_CAPA()  
e$B$NCf$G!“e(Bcapacitye$B$,e(Blene$B$h$jC;$$;~$Ke(Bas.arye$B$N=\*C\<$r1[$($F%3%T!\<$re(B  
e$B$7$F$7$^$&$3$H$,$”$k!”$H$$$&$3$H$N$h$&$G$9!#e(B  
e$BNc$($P0J2\<$N%Q%C%A$N$h$&$K$9$k$3$H$,9M$($i$l$^$9$,!"e(Bcapacity  
e$B$,e(Blene$B$h$jC;$$\>l9g$K2?$,5/$3$k$Y$-$+$O9M$($J$$$H$$$1$J$$$h$&$Ke(B  
e$B;W$$$^$9e(B([BUG]e$B$H$+e(B)e$B!#e(B

# Index: array.c

— array.c (revision 19786)  
+++ array.c (working copy)  
@@ -145,9 +145,9 @@  
if (!ARY\_EMBED\_P(ary)) {  
long len = RARRAY\_LEN(ary);  
VALUE \*ptr = RARRAY\_PTR(ary);

- 

```
       MEMCPY(RARRAY(ary)->as.ary, ptr, VALUE, len);

```

- 

```
       MEMCPY(RARRAY(ary)->as.ary, ptr, VALUE, len > capacity ? 

```

capacity : len);  
FL\_SET\_EMBED(ary);

- 

```
       ARY_SET_LEN(ary, len);

```

- 

```
       if (len > capacity) ARY_SET_LEN(ary, capacity);
       xfree(ptr);
   }

```

}

e$B$=$l$G$O!#e(B

---

<div class="post-metadata">

**Author:** ![Masaki\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/58956e/32.png) [@Masaki\_S](https://www.ruby-forum.com/u/Masaki_S)\
**Post date:** [October 15, 2008, 11:29am UTC](https://www.ruby-forum.com/t/assertion-failed-in-array-c-on-mswin32-ruby-trunk/150662/4 "2008-10-15T11:29:28Z")

</div>

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

In message “Re: [ruby-dev:36738] Re: Assertion failed in array.c on  
mswin32 Ruby (trunk)”  
on Wed, 15 Oct 2008 15:24:48 +0900, “U.Nakamura”  
[removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) writes:

|e$BD\>46$KMj$i$J$$$G??LLL$K860x$r9M$($F$\_$?$H$3$m!“e(BRESIZE\_CAPA()  
|e$B$NCf$G!“e(Bcapacitye$B$,e(Blene$B$h$jC;$$;~$Ke(Bas.arye$B$N=\*C\<$r1[$($F%3%T!\<$re(B  
|e$B$7$F$7$^$&$3$H$,$”$k!”$H$$$&$3$H$N$h$&$G$9!#e(B  
|e$BNc$($P0J2\<$N%Q%C%A$N$h$&$K$9$k$3$H$,9M$($i$l$^$9$,!"e(Bcapacity  
|e$B$,e(Blene$B$h$jC;$$\>l9g$K2?$,5/$3$k$Y$-$+$O9M$($J$$$H$$$1$J$$$h$&$Ke(B  
|e$B;W$$$^$9e(B([BUG]e$B$H$+e(B)e$B!#e(B

e$BK\MhE\*$JOC$r$9$k$He(Bcapacitye$B$,e(Blene$B$h$j$bC;$$$N$O%P%0$@$H;W$&$Ne(B  
e$B$G!“$=$N%P%0$r$D$V$9I,MW$,$”$k$H;W$$$^$9$,!#e(B

|— array.c (revision 19786)  
|+++ array.c (working copy)

e$B$H$j$“$($:!”$3$N%Q%C%A$r%3%\_%C%H$7$F$$$?$@$$$F$b9=$$$^$;$s!#e(B

---

<div class="post-metadata">

**Author:** ![Masaki\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/58956e/32.png) [@Masaki\_S](https://www.ruby-forum.com/u/Masaki_S)\
**Post date:** [October 15, 2008, 11:44am UTC](https://www.ruby-forum.com/t/assertion-failed-in-array-c-on-mswin32-ruby-trunk/150662/5 "2008-10-15T11:44:07Z")

</div>

e$B$3$s$K$A$O!"$J$+$`$ie(B(e$B$&e(B)e$B$G$9!#e(B

In message “[ruby-dev:36744] Re: Assertion failed in array.c on mswin32  
Ruby (trunk)”  
on Oct.15,2008 18:28:18, [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote:

> |e$BD\>46$KMj$i$J$$$G??LLL$K860x$r9M$($F$\_$?$H$3$m!“e(BRESIZE\_CAPA()  
> |e$B$NCf$G!“e(Bcapacitye$B$,e(Blene$B$h$jC;$$;~$Ke(Bas.arye$B$N=\*C\<$r1[$($F%3%T!\<$re(B  
> |e$B$7$F$7$^$&$3$H$,$”$k!”$H$$$&$3$H$N$h$&$G$9!#e(B  
> |e$BNc$($P0J2\<$N%Q%C%A$N$h$&$K$9$k$3$H$,9M$($i$l$^$9$,!"e(Bcapacity  
> |e$B$,e(Blene$B$h$jC;$$\>l9g$K2?$,5/$3$k$Y$-$+$O9M$($J$$$H$$$1$J$$$h$&$Ke(B  
> |e$B;W$$$^$9e(B([BUG]e$B$H$+e(B)e$B!#e(B
> 
> e$BK\MhE\*$JOC$r$9$k$He(Bcapacitye$B$,e(Blene$B$h$j$bC;$$$N$O%P%0$@$H;W$&$Ne(B  
> e$B$G!“$=$N%P%0$r$D$V$9I,MW$,$”$k$H;W$$$^$9$,!#e(B

e$B0l$DA0$N%Q%C%Ae(B([ruby-dev:36735])e$B$,$=$N%P%0$rDY$7$F$$$k%Q%C%Ae(B  
e$B$G$9!#e(B  
e$B$G!"e(Blene$B$h$jC;$$e(Bcapacitye$B$Ge(BRESIZE\_CAPA()e$B$r8F$S=P$9$N$,%P%0$G$“e(B  
e$B$k$J$i$=$l$r%3!\<%I$GI=8=$9$l$P$h$$$H;W$&$N$G$9$,!”$o$6$o$63:e(B  
e$BEvIt$K$O85!9e(Blene$B$rJQ99$9$k%3!\<%I$bF~$C$F$$$k$?$a!"85$N%3!\<%I$Ne(B  
e$B0U?^$,$o$+$i$J$$$N$G3NG’$7$?$+$C$?$N$G$9!#e(B

e$B$G!"@h$N%Q%C%A$Oe(Blene$B$rJQ99$7$h$&$H$7$F$k$s$@$+$ie(BRESIZE\_CAPA()  
e$B$KI,MW$J$i$Pe(Blene$B$rJQ99$9$k5!G=$bM?$($h$&$H$7$F$k$s$@$H2r\<a$7$Fe(B  
e$B:n@.$7$?$o$1$G$9$,!"e(B

> e$B$H$j$“$($:!”$3$N%Q%C%A$r%3%\_%C%H$7$F$$$?$@$$$F$b9=$$$^$;$s!#e(B

e$B;d$N9%$\_$r8@$($P!"e(B[BUG]e$B$G;&$9J}$,$$$$$s$8$c$J$$$+$H;W$$$^$9!#e(B

# 

e$B85$N%3!\<%I$r=q$$$?e(Byuguie$B$5$s$N\<qL#$rB:=E$9$k$He(Bassert()e$B$G$9$+e(B

# e$B$M!#e(B

e$B$=$l$G$O!#e(B

---

<div class="post-metadata">

**Author:** ![Masaki\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/58956e/32.png) [@Masaki\_S](https://www.ruby-forum.com/u/Masaki_S)\
**Post date:** [October 15, 2008, 3:10pm UTC](https://www.ruby-forum.com/t/assertion-failed-in-array-c-on-mswin32-ruby-trunk/150662/6 "2008-10-15T15:10:30Z")

</div>

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

In message “Re: [ruby-dev:36745] Re: Assertion failed in array.c on  
mswin32 Ruby (trunk)”  
on Wed, 15 Oct 2008 18:43:11 +0900, “U.Nakamura”  
[removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) writes:

|e$B0l$DA0$N%Q%C%Ae(B([ruby-dev:36735])e$B$,$=$N%P%0$rDY$7$F$$$k%Q%C%Ae(B  
|e$B$G$9!#e(B  
|e$B$G!"e(Blene$B$h$jC;$$e(Bcapacitye$B$Ge(BRESIZE\_CAPA()e$B$r8F$S=P$9$N$,%P%0$G$“e(B  
|e$B$k$J$i$=$l$r%3!\<%I$GI=8=$9$l$P$h$$$H;W$&$N$G$9$,!”$o$6$o$63:e(B  
|e$BEvIt$K$O85!9e(Blene$B$rJQ99$9$k%3!\<%I$bF~$C$F$$$k$?$a!"85$N%3!\<%I$Ne(B  
|e$B0U?^$,$o$+$i$J$$$N$G3NG’$7$?$+$C$?$N$G$9!#e(B

e$B$9$$$^$;$s!#0U?^$,$o$+$C$F$J$/$F!#$C$F$+!"$^$@$o$+$C$F$J$$$he(B  
e$B$&$J5$$,$7$^$9!#e(B

|e$B$G!"@h$N%Q%C%A$Oe(Blene$B$rJQ99$7$h$&$H$7$F$k$s$@$+$ie(BRESIZE\_CAPA()  
|e$B$KI,MW$J$i$Pe(Blene$B$rJQ99$9$k5!G=$bM?$($h$&$H$7$F$k$s$@$H2r\<a$7$Fe(B  
|e$B:n@.$7$?$o$1$G$9$,!"e(B

RESIZE\_CAPA()e$B$NCf$Ne(BARY\_SET\_LEN(ary, len);e$B$,$"$k$3$H$r5$$K$7e(B  
e$B$F$$$i$C$7$c$k$s$G$7$g$&$+!#$3$N%1!\<%9$Oe(Bresizee$B$N7k2Le(Bembede$B$9e(B  
e$B$k%5%$%:$K$J$C$?$?$a$KH/@8$7$F$$$k$N$Ge(B(embede$B$G$Oe(Bsizee$B$r;XDj$7e(B  
e$B$J$$$o$1$K$O$$$+$J$$e(B)e$B!"e(BRESIZE\_CAPA()e$B$Ke(Blene$B$rJQ99$9$k5!G=$rM?e(B  
e$B$($h$&$H$7$F$$$k$H$$$&$N$OE,@Z$G$O$J$$$+$b$7$l$^$;$s!#e(B

|\> e$B$H$j$“$($:!”$3$N%Q%C%A$r%3%_%C%H$7$F$$$?$@$$$F$b9=$$$^$;$s!#e(B  
|  
|e$B;d$N9%$_$r8@$($P!"e(B[BUG]e$B$G;&$9J}$,$$$$$s$8$c$J$$$+$H;W$$$^$9!#e(B  
|# e$B85$N%3!\<%I$r=q$$$?e(Byuguie$B$5$s$N\<qL#$rB:=E$9$k$He(Bassert()e$B$G$9$+e(B  
|# e$B$M!#e(B

e$B$=$NJU$O$\*$^$+$;$7$^$9!#e(B

---

<div class="post-metadata">

**Author:** ![Masaki\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/58956e/32.png) [@Masaki\_S](https://www.ruby-forum.com/u/Masaki_S)\
**Post date:** [October 15, 2008, 3:22pm UTC](https://www.ruby-forum.com/t/assertion-failed-in-array-c-on-mswin32-ruby-trunk/150662/7 "2008-10-15T15:22:18Z")

</div>

e$B$3$s$K$A$O!"$J$+$`$ie(B(e$B$&e(B)e$B$G$9!#e(B

In message “[ruby-dev:36748] Re: Assertion failed in array.c on mswin32  
Ruby (trunk)”  
on Oct.15,2008 22:09:24, [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote:

> RESIZE\_CAPA()e$B$NCf$Ne(BARY\_SET\_LEN(ary, len);e$B$,$"$k$3$H$r5$$K$7e(B  
> e$B$F$$$i$C$7$c$k$s$G$7$g$&$+!#$3$N%1!\<%9$Oe(Bresizee$B$N7k2Le(Bembede$B$9e(B  
> e$B$k%5%$%:$K$J$C$?$?$a$KH/@8$7$F$$$k$N$Ge(B(embede$B$G$Oe(Bsizee$B$r;XDj$7e(B  
> e$B$J$$$o$1$K$O$$$+$J$$e(B)e$B!"e(BRESIZE\_CAPA()e$B$Ke(Blene$B$rJQ99$9$k5!G=$rM?e(B  
> e$B$($h$&$H$7$F$$$k$H$$$&$N$OE,@Z$G$O$J$$$+$b$7$l$^$;$s!#e(B

e$B$"!\<!"e(Bembede$B$H$=$&$G$J$$\>l9g$H$Ge(Blene$B$rF~$l$F$k\>l=j$,0c$&$s$G$9e(B  
e$B$M!#$H$$$&$o$1$G;d$NJ}$,M}2r$G$-$F$^$;$s$G$7$?!#e(B

> |\> e$B$H$j$“$($:!”$3$N%Q%C%A$r%3%_%C%H$7$F$$$?$@$$$F$b9=$$$^$;$s!#e(B  
> |  
> |e$B;d$N9%$_$r8@$($P!"e(B[BUG]e$B$G;&$9J}$,$$$$$s$8$c$J$$$+$H;W$$$^$9!#e(B  
> |# e$B85$N%3!\<%I$r=q$$$?e(Byuguie$B$5$s$N\<qL#$rB:=E$9$k$He(Bassert()e$B$G$9$+e(B  
> |# e$B$M!#e(B
> 
> e$B$=$NJU$O$\*$^$+$;$7$^$9!#e(B

assert()e$B$G;`$L$h$&$K$7$F$\*$-$^$7$?!#e(B

e$B$=$l$G$O!#e(B

---

<div class="post-metadata">

**Author:** ![Masaki\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/58956e/32.png) [@Masaki\_S](https://www.ruby-forum.com/u/Masaki_S)\
**Post date:** [October 15, 2008, 2:15pm UTC](https://www.ruby-forum.com/t/assertion-failed-in-array-c-on-mswin32-ruby-trunk/150662/8 "2008-10-15T14:15:47Z")

</div>

e$B=uED$G$9!#e(B

U.Nakamura wrote:

> e$B$;$s!#e(B  
> e$B%Q%C%A$Ge(BAssertion failede$B$OH/@8$7$J$/$J$j$^$7$?!#e(B

e$B=uEDe(B e$B2m5\*e(B