RFR (S) 8232168: Fix non wide char canonicalization on Windows

[Langer, Christoph]

Thanks Alan,

I'll push this after running through jdk-submit. I'm preparing another patch for some further cleanup regarding canonicalize. But it won't get rid of the call from JPLIS.

Best regards
Christoph

> -----Original Message-----
> From: Alan Bateman <Alan.Bateman at oracle.com>
> Sent: Dienstag, 29. Oktober 2019 15:33
> To: Langer, Christoph <christoph.langer at sap.com>; hotspot-runtime-
> dev at openjdk.java.net; Java Core Libs <core-libs-dev at openjdk.java.net>
> Cc: Schmelter, Ralf <ralf.schmelter at sap.com>
> Subject: Re: RFR (S) 8232168: Fix non wide char canonicalization on Windows
> 
> On 23/10/2019 14:26, Langer, Christoph wrote:
> > Hi Alan,
> >
> >> I have this on my list to look at. I think we'll need to figure out a
> >> path to separate the usages (the JPLIS agent usage is technical debt, we
> >> should have addressed that issue a long time ago).
> > I agree that it's a good thing to explore how the different usages of calls to
> canonicalize could be disentangled. However, can't we defer that to another
> item? This one seems like a straightforward bugfix to me, with some cleanup
> attached. And I've prepared some more cleanup in that area already which is
> dependent on this fix - so I'd appreciate if this wouldn't be procrastinated too
> much :)
> I went through the change and they look okay to me (much smaller than I
> was expecting). I think we will need to figure out a solution for the
> JPLIS agent at some point because it shouldn't be using functions in
> libjava (having the VM use the function isn't too bad I suppose).
> 
> -Alan