[Issue 1870] New: Reproduce offending lines in error messages

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=1870

           Summary: Reproduce offending lines in error messages
           Product: D
           Version: 2.011
          Platform: PC
        OS/Version: All
            Status: NEW
          Keywords: diagnostic
          Severity: enhancement
          Priority: P3
         Component: DMD
        AssignedTo: bugzilla at digitalmars.com
        ReportedBy: dhasenan at gmail.com


When complaining about something, some compilers reproduce the offending lines.
Usually this is not such a big deal, since you have a line number. In D,
though, mixins mean that you don't have a line number. In this case, DMD should
output the offending lines, since mixins are otherwise difficult to debug (the
usual workaround is to output the value with a pragma, pipe to a file, and
compile that for the actual error message, but that has mixed success).


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