Squashed 7 commits

GNU gcc commit:  HEAD is now at 14c24ce... 2013-02-18  Richard Biener  <rguenther@suse.de>

GNU gcc commit:

a82fc9c... 	PR tree-optimization/56350 	* tree-vect-loop.c (vectorizable_reduction): If orig_stmt, return false 	if haven't found reduction or nested cycle operand, rather than 	asserting we must find it.
HEAD is now at c526d40... 	Backported from mainline 	2013-02-19  Jakub Jelinek  <jakub@redhat.com>

GNU gcc commit:

bba4c5a... Fix regression when writing formatted sequential to a pipe.

GNU gcc commit:

HEAD is now at d14af80 Daily bump.

GNU gcc commit:

HEAD is now at 2f98efc Daily bump.

GNU gcc commit:

b1d6b3c... Daily bump.

GNU gcc commit:  c925b4c Daily bump.

Signed-off-by: Paul Beeler <sparksco@gmail.com>