FogBugz (Case [Issue]20167) _Inbox - Regression with PNGReaderWriter in P6

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FogBugz (Case [Issue]20167) _Inbox - Regression with PNGReaderWriter in P6

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dtlewis290 opened Case 20167: Regression with PNGReaderWriter in P6 and assigned it to Everyone:
Bug in Project:  _Inbox: Not Spam  •  You are subscribed to this case
As reported on Pharo-users by Hilaire Fernandez,and affecting DrGeo. Reading PNG fails on 64-bit Spur due to denormalized large integer passed as parameter to a primitive. Fix is to normalize the integer.

Unit test and fix are in Squeak trunk repository

To reproduce: Unit test is PNGReadWriterTest>>testNewFromSampleBytes in GraphicsTests-dtl.44.

Fix is in Graphics-dtl.377. There are four methods that need updating:
Priority Priority: 5 – Fix If Time Status Status: Work Needed
Assigned To Assigned to: Everyone Milestone Milestone: Later

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