[jira] Updated: (HARMONY-3285) [drlvm][jit][opt] segfault in i8l

["Alexey Varlamov (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HARMONY-3285?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alexey Varlamov updated HARMONY-3285:
-------------------------------------

    Attachment: lowerer.diff

The fix, corrected assumption on instructions sequence and added check for null value.

> [drlvm][jit][opt] segfault in i8l
> ---------------------------------
>
>                 Key: HARMONY-3285
>                 URL: https://issues.apache.org/jira/browse/HARMONY-3285
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>         Environment: ia32
>            Reporter: Alexey Varlamov
>         Attachments: lowerer.diff
>
>
> The DRLVM sometimes segfaults in optimizing modes on long comparisons, the minimal testcase is:
> class Test {
> public static void main(String[] s) {
> long ll = 234l;
> compare(ll);
> }
> static void compare(long ll) {
>         boolean flag = false;
>         if(ll >= 0L && ll > 0L && ll > 10L)
>         {
>             flag = true;        
>         }   
> }
> }

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