On Wed, May 2, 2012 at 10:32 AM, Steven Bosscher <stevenb....@gmail.com> wrote: > Hello, > > The attached patch fixes PR53153. > > The problem is that tree-ssa-forwprop.c propagates away a cast, but > leaves out-of-range case labels in the switch. Before my patch for > r186579, the code in stmt.c would remove such case labels before any > of the RTL expanders got to see them. After my patch, the gimplifier > removed those out-of-range labels, but forwprop re-introduces them > and, en passant, makes the type of the switch index expression > different from the types of the case label values. > > This patch adds splits out the case label preprocessing code in > gimplify.c to a new function, and makes forwprop use it to update the > switch label values if it changes the switch index type. > > Bootstrapped and tested on x86_64-unknown-linux-gnu. OK for trunk?
Ok. Thanks, Richard. > Ciao! > Steven
