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From "Pavel Ozhdikhin (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-4702) [drlvm][jit][opt] type merge for stack vars in prepass is too restrictive
Date Fri, 31 Aug 2007 10:18:30 GMT
[drlvm][jit][opt] type merge for stack vars in prepass is too restrictive
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                 Key: HARMONY-4702
                 URL: https://issues.apache.org/jira/browse/HARMONY-4702
             Project: Harmony
          Issue Type: Bug
          Components: DRLVM
         Environment: All
            Reporter: Pavel Ozhdikhin


VarIncarnations of stack variables of different types are not merged at joining edges, even
if their types are compatible. This may lead to incorrect promotion of the stack var to variable
at some CFG point and to the crash during the compilation. The bug was caught on a complex
Jython scenario with dynamic class generation.


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