review(XXS): 7160539: JDeveloper crashes on 64-bit Windows

[Vladimir Kozlov]

Good.

Vladimir

Igor Veresov wrote:
>   In 64-bit C2 expects upper 32bit cleared for the int params passed to 
> a method. C1 was leaving them dirty while doing l2i conversion on x64, 
> which caused a problem with the tiered runtime.
> 
> Webrev: http://cr.openjdk.java.net/~iveresov/7160539/webrev.00/
> 
> Thanks!
> igor
>