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Date: Thu, 25 Nov 2010 13:48:00 -0000
From: Jan Hubicka <hubicka@ucw.cz>
To: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
Cc: gcc-bugs@gcc.gnu.org
Subject: Re: [Bug bootstrap/46528] [4.6 Regression] profiledbootstrap	failure
Message-ID: <20101125125619.GB21142@atrey.karlin.mff.cuni.cz>
References: <bug-46528-4@http.gcc.gnu.org/bugzilla/> <bug-46528-4-Y5BS2CbJgC@http.gcc.gnu.org/bugzilla/>
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> we do CFG manipulations based on debug stmts (verified with a later
> assert that triggers on -O2 -g -fprofile-use).
> 
> It's of course unfortunate that we do this BB splitting at all when
> not doing coverage test.

The BB splitting is neccesary so the CFG can be solved (i.e. you have explicit edges to exit when program can terminate).

Honza