On Fri, Jun 1, 2018 at 2:38 PM Richard Sandiford
wrote:
>
> This PR is a nasty wrong code bug due to my fluffing a test for a
> backedge in gimple-ssa-backprop.c. Backedges are supposed to be
> from definitions in the statement we're visiting to uses in statements
> that we haven't visited yet.
This PR is a nasty wrong code bug due to my fluffing a test for a
backedge in gimple-ssa-backprop.c. Backedges are supposed to be
from definitions in the statement we're visiting to uses in statements
that we haven't visited yet. However, the check failed to account for
PHIs in the current block
