user1@user1-PC-D630:~$ sudo apt-get -o Debug::pkgProblemResolver=yes install libllvm3.5:i386
Reading package lists... Done
Building dependency tree
Reading state information... Done
Starting pkgProblemResolver with broken count: 4
Starting 2 pkgProblemResolver with broken count: 4
Investigating (0) libllvm3.5 [ amd64 ] < 1:3.5-4ubuntu2 > ( libs )
Broken libllvm3.5:amd64 Depends on libedit2 [ amd64 ] < 3.1-20140620-2+deb.sury.org~trusty+4 > ( libs ) (>= 2.11-20080614)
  Considering libedit2:amd64 0 as a solution to libllvm3.5:amd64 8
  Added libedit2:amd64 to the remove list
  Fixing libllvm3.5:amd64 via keep of libedit2:amd64
Investigating (0) libedit2 [ i386 ] < none -> 3.1-20140620-1 > ( libs )
Broken libedit2:i386 Breaks on libedit2 [ amd64 ] < 3.1-20140620-2+deb.sury.org~trusty+4 > ( libs ) (!= 3.1-20140620-1)
  Considering libedit2:amd64 0 as a solution to libedit2:i386 1
  Added libedit2:amd64 to the remove list
  Fixing libedit2:i386 via remove of libedit2:amd64
Investigating (0) php5-readline [ amd64 ] < 5.5.23+dfsg-1+deb.sury.org~trusty+2 > ( php )
Broken php5-readline:amd64 Depends on libedit2 [ amd64 ] < 3.1-20140620-2+deb.sury.org~trusty+4 > ( libs ) (>= 3.1-20130611)
  Considering libedit2:amd64 0 as a solution to php5-readline:amd64 -1
  Removing php5-readline:amd64 rather than change libedit2:amd64
Investigating (0) php5-cli [ amd64 ] < 5.5.23+dfsg-1+deb.sury.org~trusty+2 > ( php )
Broken php5-cli:amd64 Depends on libedit2 [ amd64 ] < 3.1-20140620-2+deb.sury.org~trusty+4 > ( libs ) (>= 2.11-20080614-4)
  Considering libedit2:amd64 0 as a solution to php5-cli:amd64 -1
  Removing php5-cli:amd64 rather than change libedit2:amd64
Investigating (0) libapache2-mod-php5 [ amd64 ] < 5.5.23+dfsg-1+deb.sury.org~trusty+2 > ( httpd )
Broken libapache2-mod-php5:amd64 Depends on php5-cli [ amd64 ] < 5.5.23+dfsg-1+deb.sury.org~trusty+2 > ( php )
  Considering php5-cli:amd64 -1 as a solution to libapache2-mod-php5:amd64 -2
  Removing libapache2-mod-php5:amd64 rather than change php5-cli:amd64
Investigating (0) php5 [ amd64 ] < 5.5.23+dfsg-1+deb.sury.org~trusty+2 > ( php )
Broken php5:amd64 Depends on libapache2-mod-php5 [ amd64 ] < 5.5.23+dfsg-1+deb.sury.org~trusty+2 > ( httpd ) (>= 5.5.23+dfsg-1+deb.sury.org~trusty+2~)
  Considering libapache2-mod-php5:amd64 -2 as a solution to php5:amd64 -2
Broken php5:amd64 Depends on libapache2-mod-php5filter [ amd64 ] < none -> 5.5.12+dfsg-2ubuntu4.3 > ( universe/httpd ) (>= 5.5.23+dfsg-1+deb.sury.org~trusty+2~)
Broken php5:amd64 Depends on php5-cgi [ amd64 ] < none -> 5.5.12+dfsg-2ubuntu4.3 > ( php ) (>= 5.5.23+dfsg-1+deb.sury.org~trusty+2~)
Broken php5:amd64 Depends on php5-fpm [ amd64 ] < none -> 5.5.12+dfsg-2ubuntu4.3 > ( universe/php ) (>= 5.5.23+dfsg-1+deb.sury.org~trusty+2~)
  Or group remove for php5:amd64
Investigating (1) libllvm3.5 [ amd64 ] < 1:3.5-4ubuntu2 > ( libs )
Broken libllvm3.5:amd64 Depends on libedit2 [ amd64 ] < 3.1-20140620-2+deb.sury.org~trusty+4 > ( libs ) (>= 2.11-20080614)
  Considering libedit2:amd64 0 as a solution to libllvm3.5:amd64 8
  Added libedit2:amd64 to the remove list
  Fixing libllvm3.5:amd64 via keep of libedit2:amd64
Investigating (1) libedit2 [ i386 ] < none -> 3.1-20140620-1 > ( libs )
Broken libedit2:i386 Breaks on libedit2 [ amd64 ] < 3.1-20140620-2+deb.sury.org~trusty+4 > ( libs ) (!= 3.1-20140620-1)
  Considering libedit2:amd64 0 as a solution to libedit2:i386 1
  Added libedit2:amd64 to the remove list
  Fixing libedit2:i386 via remove of libedit2:amd64
Investigating (2) libllvm3.5 [ amd64 ] < 1:3.5-4ubuntu2 > ( libs )
Broken libllvm3.5:amd64 Depends on libedit2 [ amd64 ] < 3.1-20140620-2+deb.sury.org~trusty+4 > ( libs ) (>= 2.11-20080614)
  Considering libedit2:amd64 0 as a solution to libllvm3.5:amd64 8
  Added libedit2:amd64 to the remove list
  Fixing libllvm3.5:amd64 via keep of libedit2:amd64
Investigating (2) libedit2 [ i386 ] < none -> 3.1-20140620-1 > ( libs )
Broken libedit2:i386 Breaks on libedit2 [ amd64 ] < 3.1-20140620-2+deb.sury.org~trusty+4 > ( libs ) (!= 3.1-20140620-1)
  Considering libedit2:amd64 8 as a solution to libedit2:i386 1
  Holding Back libedit2:i386 rather than change libedit2:amd64
Investigating (3) libllvm3.5 [ i386 ] < none -> 1:3.5-4ubuntu2 > ( libs )
Broken libllvm3.5:i386 Depends on libedit2 [ i386 ] < none -> 3.1-20140620-1 > ( libs ) (>= 2.11-20080614)
  Considering libedit2:i386 1 as a solution to libllvm3.5:i386 9999
  Re-Instated libedit2:i386
Investigating (3) libedit2 [ i386 ] < none -> 3.1-20140620-1 > ( libs )
Broken libedit2:i386 Breaks on libedit2 [ amd64 ] < 3.1-20140620-2+deb.sury.org~trusty+4 > ( libs ) (!= 3.1-20140620-1)
  Considering libedit2:amd64 8 as a solution to libedit2:i386 1
  Holding Back libedit2:i386 rather than change libedit2:amd64
Investigating (4) libllvm3.5 [ i386 ] < none -> 1:3.5-4ubuntu2 > ( libs )
Broken libllvm3.5:i386 Depends on libedit2 [ i386 ] < none -> 3.1-20140620-1 > ( libs ) (>= 2.11-20080614)
  Considering libedit2:i386 1 as a solution to libllvm3.5:i386 9999
Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 libllvm3.5:i386 : Depends: libedit2:i386 (>= 2.11-20080614) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.