RFR(T/XS): 8225509: clean_catch_blocks must add preds first

[Nils Eliasson]

Thank you Vladimir!

/ Nils

On 2019-06-10 17:04, Vladimir Kozlov wrote:
> Good.
>
> Thanks,
> Vladimir
>
> On 6/10/19 6:55 AM, Nils Eliasson wrote:
>> Hi,
>>
>> When the late load barrier insertion is handling loads in 
>> clean_catch_blocks, the pushing of predecessor nodes on the iteration 
>> stack must be done before the processing of a load, because it 
>> changes the graph.
>>
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8225509
>>
>> Webrev: http://cr.openjdk.java.net/~neliasso/8225509/webrev.01/
>>
>> Please review,
>>
>> Nils
>>