Squashed 10 commits

GNU gcc commit:

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

GNU gcc commit:

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:

2f98efc Daily bump.

GNU gcc commit:

b1d6b3c... Daily bump.

GNU gcc commit:

97339d3... Daily bump.

Revert "GNU gcc commit:"

This reverts commit b02f985abad1e7f683b85f7251f1cf698dd813ca.

GNU gcc commit:

03cdf31... 2013-02-22  Sebastian Huber <sebastian.huber@embedded-brains.de>

Change-Id: I62d4e0c8808b87b8ebf510722e262f5152408976

GNU gcc commit: c925b4c Daily bump.

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