Re: Bug#626129: perl: sh4: FTBFS: Failed at op/ver.t line 241

[Nobuhiro Iwamatsu <iwamatsu@nigauri.org>]

Hi,

2011/5/9 Niko Tyni <ntyni@debian.org>:
> On Mon, May 09, 2011 at 01:43:40PM +0900, Nobuhiro Iwamatsu wrote:
>> Source: perl
>> Version: 5.12.3-6
>> Severity: wishlist
>> User: debian-sh4@superh.org
>> Usertags: sh4
>> X-Debbugs-CC: debian-superh@lists.debian.org
>
>> Malformed UTF-8 character (13 bytes, need 13, after start byte 0xff)
>> in sprintf at op/ver.t line 241.
>> # Failed at op/ver.t line 241
>> #      got "9223372036854775807.0"
>> # expected "9223372036854775807.9223372036854775808"
>> t/op/ver.......................................................FAILED at test 45
>
>> double value cannot display. But float is OK.
>
>> ./perl -e 'printf ("%vd\n", eval "v9223372036854775807.9223372036854775808")'
>> Malformed UTF-8 character (13 bytes, need 13, after start byte 0xff)
>> in printf at -e line 1.
>> 9223372036854775807.0
>> ./perl -e 'printf ("%vd\n", eval "v2147483647.214748364")'
>> 2147483647.214748364
>
> I must say I don't understand this at all. Is there something exotic
> about doubles on sh4?

I debuged this and I understood that this was a bug of GCC.
This problem is revised when I changed optimization from O2 to O1.

Best regards,
  Nobuhiro

-- 
Nobuhiro Iwamatsu
   iwamatsu at {nigauri.org / debian.org}
   GPG ID: 40AD1FA6