[Issue 11930] New: Github regression -- Alias this not considered in is(T unused: U) matching

[d-bugmail]

https://d.puremagic.com/issues/show_bug.cgi?id=11930

           Summary: Github regression -- Alias this not considered in is(T
                    unused: U) matching
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: regression
          Priority: P2
         Component: DMD
        AssignedTo: nob...@puremagic.com
        ReportedBy: pun...@coverify.org


--- Comment #0 from Puneet Goel <pun...@coverify.org> 2014-01-15 05:00:43 PST 
---
Seems to have crept in with pull #3066.

class BarObj {}
struct Bar {
  BarObj _obj;
  alias _obj this;
}
BarObj getBarObj(T)(T t) {
  static if(is(T unused: BarObj)) return t;
  else static assert(false, "Can not get BarObj from " ~ T.stringof);
}
void main() {
  Bar b;
  getBarObj(b);
}

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