#47662: ./common/city.c integer overflow ... cannot be represented in type 'int'
Open Date: 2023-03-23 14:13
Last Update: 2023-04-23 22:36
URL for this Ticket:
https://osdn.net//projects/freeciv/ticket/47662
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Last Changes/Comment on this Ticket:
2023-04-23 22:36 Updated by: cazfi
* Milestone Update from (None) to 3.0.8
* Priority Update from 5 - Medium to 6
Comment:
Reply To cazfi
I'm now getting that assert failure quite regularly.
Frequently enough to consider this a regression blocking 3.0.8. ( #47779 )
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Ticket Status:
Reporter: alain_bkr
Owner: (None)
Type: Bugs
Status: Open
Priority: 6
MileStone: 3.0.8
Component: Server
Severity: 5 - Medium
Resolution: None
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Ticket details:
3.0.6 clang
This one is a bit weird : the value are always (-1 billion + epsilon) * 100 , and show identical values in different random games
Count of errors :
7 ../../common/city.c:2880:37: runtime error: signed integer overflow: -999999992 * 100 cannot be represented in type 'int' ### ~ 50 max_int
5 ../../common/city.c:2880:37: runtime error: signed integer overflow: -999999991 * 100 cannot be represented in type 'int'
4 ../../common/city.c:2880:37: runtime error: signed integer overflow: -999999994 * 100 cannot be represented in type 'int'
3 ../../common/city.c:2880:37: runtime error: signed integer overflow: -999999987 * 100 cannot be represented in type 'int'
6 ../../common/city.c:2873:25: runtime error: signed integer overflow: -999999990 * 100 cannot be represented in type 'int'
6 ../../common/city.c:2873:25: runtime error: signed integer overflow: -999999989 * 100 cannot be represented in type 'int'
3 ../../common/city.c:2873:25: runtime error: signed integer overflow: -999999994 * 100 cannot be represented in type 'int'
3 ../../common/city.c:2873:25: runtime error: signed integer overflow: -999999993 * 100 cannot be represented in type 'int'
3 ../../common/city.c:2873:25: runtime error: signed integer overflow: -999999987 * 100 cannot be represented in type 'int'
6 > ../../common/city.c:2866:21: runtime error: signed integer overflow: -999999992 * 100 cannot be represented in type 'int'
3 > ../../common/city.c:2866:21: runtime error: signed integer overflow: -999999994 * 100 cannot be represented in type 'int'
3 > ../../common/city.c:2866:21: runtime error: signed integer overflow: -999999991 * 100 cannot be represented in type 'int'
3 > ../../common/city.c:2866:21: runtime error: signed integer overflow: -999999987 * 100 cannot be represented in type 'int'
I'll try to investigate a bit and provide saved games.
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