https://issues.dlang.org/show_bug.cgi?id=24753

          Issue ID: 24753
           Summary: run.dlang.io throws exception for 'all dmd compilers'
                    and -betterC argument
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P1
         Component: tools
          Assignee: nobody@puremagic.com
          Reporter: nick@geany.org

Empty file data gives:

 > rdmd playground.d

std.conv.ConvException@/work/ldc-1.26.0/bin/../import/std/conv.d(2288): Can't parse string: bool should be case-insensitive 'true' or 'false'
----------------
??:? [0x491605]
??:? [0x493086]
??:? [0x4761df]
??:? [0x40992c]
??:? [0x40968c]
??:? [0x40965c]
??:? [0x429e6a]
??:? [0x42957b]
??:? [0x41bca2]
??:? [0x419ebb]
??:? [0x475ecb]
??:? [0x475dc7]
??:? [0x475c1d]
??:? [0x420264]
??:? __libc_start_main [0x7fd3a94d383f]
??:? [0x4043b8]

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