RFR(XS): 8161907: adlc: Fix crash in cisc_spill_match if _rChild == NULL"

Lindenmaier, Goetz goetz.lindenmaier at sap.com
Wed Jul 20 20:47:36 UTC 2016


Thanks Vladimir!

Best regards,
  Goetz.

> -----Original Message-----
> From: Vladimir Kozlov [mailto:vladimir.kozlov at oracle.com]
> Sent: Wednesday, July 20, 2016 5:52 PM
> To: Lindenmaier, Goetz <goetz.lindenmaier at sap.com>; hotspot-compiler-
> dev at openjdk.java.net
> Subject: Re: RFR(XS): 8161907: adlc: Fix crash in cisc_spill_match if _rChild ==
> NULL"
> 
> Looks good.
> 
> Thanks,
> Vladimir
> 
> On 7/20/16 3:39 AM, Lindenmaier, Goetz wrote:
> > Hi,
> >
> >
> >
> > Please review and sponsor this tiny, rather obvious change:
> >
> > http://cr.openjdk.java.net/~goetz/wr16/8161907-adlc/
> >
> >
> >
> > _rChild is never checked for NULL, but it is dereferenced.
> >
> > We have a rule that causes a crash here.
> >
> >
> >
> > Best regards,
> >
> >   Goetz.
> >
> >
> >


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