RFR: 8290705: StringConcat::validate_mem_flow asserts with "unexpected user: StoreI" [v2]

[Tobias Hartmann]

On Wed, 27 Jul 2022 02:05:00 GMT, Xin Liu <xliu at openjdk.org> wrote:

>> Tobias Hartmann has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Modified debug printing code
>
> This fix is reasonable.  LGTM. (I am not a reviewer). 
> 
> A side node to myself:  any nodes with side effect between Initialize and <init>() must commit because <init> may throw an exception.

Thanks for the review, @navyxliu!

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PR: https://git.openjdk.org/jdk/pull/9589