https://issues.dlang.org/show_bug.cgi?id=20952

          Issue ID: 20952
           Summary: Can't represent subnormal numbers
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: critical
          Priority: P1
         Component: dmd
          Assignee: nobody@puremagic.com
          Reporter: ilyayaroshenko@gmail.com

Examples:
 2.1e-308
 1e-322
 91e-324

C and others can compile it.

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