re PR rtl-optimization/41064 (build breakage for cris-elf building newlib, ICE in extract_insn, from r150726)

	PR rtl-optimization/41064
	* reload1.c (reload_as_needed): Don't call extract_insn
	for known invalid replacements after calling
	validate_replace_rtx_group and verify_changes.

From-SVN: r150751