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  1. JDK
  2. JDK-8362118

C2: add more debug prints to string concatenation optimizations

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      We can consider enhancing the debug printouts in this optimization phase due to recently identified bugs in this area.

      Suggestions:

      - dump the start/end nodes for each pair that is considered for stacked string concatenations
      - print IGV graphs between each call to replace_string_concat
      - ...

            Unassigned Unassigned
            dskantz Daniel Skantz
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              Created:
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