PR middle-end/44102
	* cfgcleanup.c (try_optimize_cfg): When removing trivially empty
	bb with no successors, move footer whenever in IR_RTL_CFGLAYOUT
	mode, not just when CLEANUP_CFGLAYOUT, and when in IR_RTL_CFGRTL
	add BARRIER after previous bb if needed.

	* g++.dg/ext/asmgoto1.C: New test.

From-SVN: r159495