https://issues.dlang.org/show_bug.cgi?id=20972

          Issue ID: 20972
           Summary: wrong real literals on windows
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Windows
            Status: NEW
          Severity: blocker
          Priority: P1
         Component: dmd
          Assignee: nobody@puremagic.com
          Reporter: ilyayaroshenko@gmail.com

real r = 36893488147419103229.0L;
assert(r == 0x1FFFFFFFFFFFFFFFDp0L);

Windows specific bug.

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