https://issues.dlang.org/show_bug.cgi?id=23727

          Issue ID: 23727
           Summary: ImportC support imaginary real numbers
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: blocker
          Priority: P1
         Component: dmd
          Assignee: nobody@puremagic.com
          Reporter: bugzilla@digitalmars.com

Successfully compiling gcc's complex.h requires supporting the `1.0iF` syntax.

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