Array not zeroed on creation

Vitaly Davidovich vitalyd at gmail.com
Fri Sep 7 06:24:56 PDT 2012


Dan,

I've cc'd compiler dev and removed hotspot dev as this looks like a
compiler issue.  Hope you don't mind.

My hunch is that the Arrays.fill() is tripping this up - is it reproducable
if fill() is removed?

Sent from my phone
On Sep 7, 2012 8:39 AM, "Dan Hicks" <danhicks at fastmail.fm> wrote:

> This bug has come to my attention: http://stackoverflow.com/**
> questions/12317668/java-int-**array-initializes-with-**nonzero-elements<http://stackoverflow.com/questions/12317668/java-int-array-initializes-with-nonzero-elements>
>
> Basically there is a reproducible (by several people) situation where a
> new int array is not zeroed.  The author reports the error is reproducible
> on HotSpot 64-bit server VM, Java version from 1.7.0_04 to 1.7.0_10 on
> Gentoo Linux, Debian Linux (both kernel 3.0 version) and MacOS Lion.  (Not
> tested on 32-bit or Windows.)
>
> Reportedly bug7196857 has been filed with Oracle.
>
> --
> Dan Hicks
> Nothing makes us so lonely as our secrets.  --Paul Tournier
>
>
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