[Issue 21767] New: Underflow reported as overflow

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=21767

          Issue ID: 21767
           Summary: Underflow reported as overflow
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: trivial
          Priority: P1
         Component: dmd
          Assignee: nobody at puremagic.com
          Reporter: Ajieskola at gmail.com

auto x = -1234890712367412347124895720349587;

Output:
app.d(1): Error: integer overflow

That is an underflow, not an overflow.

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