On Wed, 15 Jun 2011, Jeff Law wrote: > So as I've mentioned previously, I've been working on a relatively small > change to the jump threading code which would allow it to duplicate a > join block when doing so allows us to thread through a successor of the > join block. This is expected to be the last extension to the existing > jump threading code.
> Bootstrapped and regression tested on x86_64-unknown-linux-gnu. It seems this caused a warning regression, PR49498, for some but not all targets, see the PR. brgds, H-P
