[Issue 13931] New: Missing overflow checks in `std.conv` for negative numbers which start from the most negative number digits

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=13931

          Issue ID: 13931
           Summary: Missing overflow checks in `std.conv` for negative
                    numbers which start from the most negative number
                    digits
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Keywords: wrong-code
          Severity: normal
          Priority: P1
         Component: Phobos
          Assignee: nobody at puremagic.com
          Reporter: verylonglogin.reg at gmail.com

This program doesn't throw but should:
---
import std.conv, std.stdio;
void main()
{
    writeln("-21474836480".to!int());            // should throw
    writeln("-92233720368547758080".to!long());  // should throw
}
---

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