re PR tree-optimization/46066 (ICE: in create_parallel_loop, at tree-parloops.c:1455 with -ftree-parallelize-loops -g)

	PR tree-optimization/46066
	* tree-parloops.c (create_parallel_loop): Use gsi_last_nondebug_bb
	instead of gsi_last_bb.

	* gcc.dg/autopar/pr46066.c: New test.

From-SVN: r165739