Homebrew/homebrew-versions — pull request #192 by rhysd (2013-08-22 15:48:38+00:00)
Title: added llvm 3.4

I added formula for LLVM 3.4.
LLVM 3.4 is now in-progress and I couldn't find snapshot archives like
gcc weekly snapshots. So I decided to use the latest source code from
repositories.