PR debug/45849
	* var-tracking.c (strip_pointer_flags): New function.
	(emit_note_insn_var_location): If rtx_equal_p check failed,
	retry on locations simplified with simplify_replace_fn_rtx
	and strip_pointer_flags as its callback.

	* gcc.dg/debug/pr45849.c: New test.

From-SVN: r164962