re PR rtl-optimization/69030 (ICE on x86_64-linux-gnu at -O2 and above in 32-bit mode (ICE in copy_rtx, at rtl.c:358))

2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/69030
	* lra-spills.c (remove_pseudos): Check nrefs and make the function
	returning bool.
	(spill_pseudos): Delete debug insn for dead pseudo.
	(lra_spill): Initiate spill_hard_reg and slots memory separately.

From-SVN: r232445