[Mono-bugs] [Bug 470089] New: Overflow when casting from ulong to uint is not detected

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Wed Jan 28 04:20:59 EST 2009


           Summary: Overflow when casting from ulong to uint is not
    Classification: Mono
           Product: Mono: Runtime
           Version: 1.9
          Platform: x86-64
        OS/Version: Ubuntu
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: JIT
        AssignedTo: lupus at novell.com
        ReportedBy: andres.meyer at computer.org
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---

User-Agent:       Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:
Gecko/2008121623 Ubuntu/8.10 (intrepid) Firefox/3.0.5

This here causes an overflow in .net 2.0, but just truncates in mono:

ulong b = 0xFFFFFFFFFF; uint a = (uint) b;

Reproducible: Always

Steps to Reproduce:
1.ulong b = 0xFFFFFFFFFF; uint a = (uint) b;
Actual Results:  

Expected Results:  
Overflow exception

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