mozilla/rust — pull request #4342 by graydon (2013-01-04 01:48:16+00:00)
Title: Return unwind

This is still a little preliminary but it appears to work. Resulting binaries are very similar in size .. some functions are a bit bigger (no cleanup coalescing yet) but it skips an exception-table section so total binaries are typically smaller.

r? @brson just looking for early feedback at this point. Will clean up some more and rebase before landing.