Merge from GCC 4.8 branch revision 201443.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gccgo@201444 138bc75d-0d04-0410-961f-82ee72b054a4
Merge from GCC 4.8 branch revision 201447.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gccgo@201448 138bc75d-0d04-0410-961f-82ee72b054a4
Merge from GCC 4.8 branch revision 201542.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gccgo@201543 138bc75d-0d04-0410-961f-82ee72b054a4