Merged DMD commit c6b6566e95825ad2fcedbe791f04d7f90afa5a0f:

bugzilla 5015 Regression(1.061): Cyclic import breaks is() in a static if

dmd/template.c

@@ -3403,7 +3403,7 @@ void TemplateInstance::semantic(Scope *sc)
              */
             fatal();
         }
-        return;
+        //return;
     }
 #if LOG
     printf("\n+TemplateInstance::semantic('%s', this=%p)\n", toChars(), this);