D-Programming-Language/dmd — pull request #1447 by 9rnsr (2013-01-09 01:29:07+00:00)
Title: Issue 9266 - Cannot define two Tuple objects. (Regression in 2.061)

http://d.puremagic.com/issues/show_bug.cgi?id=9266

If the semantics in template instance is already done (`inst != NULL`), `syntaxCopy` should copy members from original template declaration (== `tempdecl`).