[Issue 3640] New: shared this() constructor does not work and reports strange errors without line numbers

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=3640

           Summary: shared this() constructor does not work and reports
                    strange errors without line numbers
           Product: D
           Version: 2.036
          Platform: x86
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: jason.james.house at gmail.com


--- Comment #0 from Jason House <jason.james.house at gmail.com> 2009-12-23 17:23:33 PST ---
Sample code:
=================================
class foo{
  shared this(){}
}
void main(){
  auto x = new shared(foo)();
}
=================================

Result with dmd 2.037
(bug report lists 2.036, but that's because 2.037 was not an option at the
time)

$ dmd test.d
Error: cannot implicitly convert expression (this) of type shared(foo) to
test.foo


I have no idea what inspired me to originally try this variation of a
constructor since dropping the shared keyword results in code that compiles. 
Moving the shared keyword after the constructor declaration (AKA this()
shared{}) results in a parse error.

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