re PR tree-optimization/44539 (ICE: verify_ssa failed: type mismatch between an SSA_NAME and its symbol)

	PR tree-optimization/44539
	* tree-cfgcleanup.c (fixup_noreturn_call): Call update_stmt even when
	the call doesn't have LHS, but has VDEF.

	* gcc.dg/pr44539.c: New test.

From-SVN: r161374