[killloop] Patch for PR24762

[Steven Bosscher]

On Nov 15, 2005 02:59 PM, Zdenek Dvorak
<rakdver@atrey.karlin.mff.cuni.cz> wrote:

> > It's quite possible your brokenness related to EH is because he's
> > using
> > analyze_subcfg, which doesn't know which blocks have eh handling
> > info in
> > them, and which blocks don't, so it doesn't say to process them.
(...)
> however, invariant motion does not at all care about liveness. All it
> uses are UD chains.
 
And it is not getting those right either.
 
Gr.
Steven