Re: Fix PR 53743 and other -freorder-blocks-and-partition failures

[Jeff Law]

On 05/22/2013 04:07 PM, Steven Bosscher wrote:

The problem here is two things:

1. Many GCC developers still don't fully grasp the difference between
cfglayout mode and the older cfgrtl mode.
Absolutely true.  I'd actually love it if someone (you?) could write up 
the basics of cfglayout mode.  Why does it exist, what things should a 
developer need to know about it, etc.

Jeff