[Issue 24879] Unexpected sign extension after shifting a ubyte and promoting to ulong
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    d-bugmail at puremagic.com
       
    Mon Nov 25 10:46:15 UTC 2024
    
    
  
https://issues.dlang.org/show_bug.cgi?id=24879
Dennis <dkorpel at live.nl> changed:
           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |dkorpel at live.nl
            Summary|Weird bug...                |Unexpected sign extension
                   |                            |after shifting a ubyte and
                   |                            |promoting to ulong
           Severity|normal                      |enhancement
--- Comment #2 from Dennis <dkorpel at live.nl> ---
`bytes[4] << 24` gets promoted to int, and sign extended when or'd with a
ulong. The same happens in C, and D committed to having the same integer
promotion rules as C, so I don't see much that can be done here. Do you have a
suggestion?
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