* src/powerpc/linux64.S: Emit .note.GNU-stack even when
	POWERPC64 is not defined.
	* src/powerpc/linux64_closure.S: Likewise.  Also test _CALL_ELF == 2.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_8-branch@215157 138bc75d-0d04-0410-961f-82ee72b054a4
Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_8-branch@215197 138bc75d-0d04-0410-961f-82ee72b054a4
Merge remote-tracking branch 'gnu/gcc-4_8-branch' into 4.8.4
Merge remote-tracking branch 'uber/4.8.4' into 4.8.4