D-Programming-Language/dmd — pull request #1060 by 9rnsr (2012-07-20 17:46:26+00:00)
Title: Issue 8395 - Templated struct constructors don't implicitly convert to const

http://d.puremagic.com/issues/show_bug.cgi?id=8395

With current dmd implementation, non template constructor always ignores the type qualifier of 'this'. Therefore template constructor should work as like it.