Truncating division operator (~/) provides wrong result on the DartVM

[DartBot]

This issue was originally filed by @a14n

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With Dart SDK version 1.9.3 the following operation provide a wrong result on the DartVM:

    
    main() {
      print(3276800000000000000000000000000000000000000000000000000000000000000000000000000000000000 ~/ 5);
    }

The result is 158036763590213357844617751853179159899543849202652282559536023106840502987466624466944 but it should be 3276800000000000000000000000000000000000000000000000000000000000000000000000000000000000 .

[kevmoo]

Added Area-VM, Triaged labels.

[DartBot]

This comment was originally written by @a14n

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bad copy/paste for the expected result. It should be 655360000000000000000000000000000000000000000000000000000000000000000000000000000000000 instead of 158036763590213357844617751853179159899543849202652282559536023106840502987466624466944

[iposva-google]

Set owner to @crelier.
Added Accepted label.

[crelier]

Thanks for the report! It's amazing we did not notice this earlier.

Fixed in r45253.

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Added Fixed label.

[DartBot]

This comment was originally written by @a14n

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Actually that's a travis failure on my rational package that warned me.

Will this fix also land in a bug fix release on 1.9.x branch? (imho it should)

[crelier]

The fix will definitely be part of the 1.10 release coming up shortly. I do not know if there will be a 1.9.4 release or not. But if there is one, the fix should be included.

[DartBot]

This comment was originally written by @a14n

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Thanks for the quick answer :)

[iposva-google]

The fix for this will become available once 1.10.0-dev.1.7 or later is released on dev channel.