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[Zlib][CRC32] Trim 'start' value to 32-bit for negative long integers #5350

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merged 1 commit into from Oct 9, 2018

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@prashantvithani prashantvithani commented Oct 8, 2018

As discussed in #5290 (comment), The while loop in gf2_matrix_times should terminate after 32 iterations. That means the value of 'start' should be 0 after (start>>32). Trimming the value beyond 32 bits ensures that behavior.

FIX #5290

As discussed in #5290 (comment), The while loop in gf2_matrix_times should terminate after 32 iterations. That means the value of 'start' should be 0 after (start>>32). Trimming the value beyond 32 bits ensures that behavior.
@prashantvithani prashantvithani changed the title Trim 'start' value to 32-bit for negative long integers [CRC32][Zlib] Trim 'start' value to 32-bit for negative long integers Oct 8, 2018
@prashantvithani prashantvithani changed the title [CRC32][Zlib] Trim 'start' value to 32-bit for negative long integers [Zlib][CRC32] Trim 'start' value to 32-bit for negative long integers Oct 8, 2018
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@headius headius commented Oct 9, 2018

Nice, thanks! I was hoping it would be something simple like this.

@headius headius added this to the JRuby 9.2.1.0 milestone Oct 9, 2018
@headius headius merged commit 1d15ed5 into jruby:master Oct 9, 2018
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@prashantvithani prashantvithani commented Oct 11, 2018

@headius Thanks for merging this! I was wondering if you could you tell when this change would be released? This was kind of blocker for us to migrate to JRuby.

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