[patch] Fix PR44363: gcc fails with ICE when compiling ffmpeg

[Richard Guenther]

On Tue, 1 Jun 2010, Sebastian Pop wrote:

> Hi,
> 
> the attached patch should fix the PR44363 by failing the if-conversion
> analysis in a more safe way, returning "analysis failed" instead of calling
> the ICE-ing gcc_unreachable.  I will regstrap this patch if there are no
> concerns about this.  Ok for trunk after regstrap passes?

Ok.

Thanks,
Richard.