review(S): 7097679: Tiered: events with bad bci to Gotos reduced from Ifs

[Tom Rodriguez]

Looks good.

tom

On Oct 3, 2011, at 10:48 PM, Igor Veresov wrote:

> In case with back branches Runtime1::counter_overflow() routine expects to receive a bci of either a Goto of If instruction that generated
> the event. When emitting the counter overflow stub for the Goto we take the bci from the jvm state. However it is not correct for the Gotos 
> that were produced as a result of the reduction of Ifs because in this case the state will have a bci that would possibly point to a Cmp preceding the If instead.
> 
> The solution is to always store a proper bci for Goto and use it instead of the one in the jvm state.
> 
> Webrev: http://cr.openjdk.java.net/~iveresov/7097679/webrev.00
> 
> Thanks!
> igor