include/

* dwarf2.h (DWARF2_Internal_LineInfo): Add li_max_ops_per_insn
	field.
bfd/
	* dwarf2.c (struct line_head): Add maximum_ops_per_insn field.
	(struct line_info): Add op_index field, change end_sequence type to
	unsigned char.
	(new_line_sorts_after): For the same address compare op_index.
	(add_line_info): Add op_index argument, store it into the structure.
	(decode_line_info): Complain about unknown versions of .debug_line.
	Initialize maximum_ops_per_insn.  Add op_index state register and
	track it.
binutils/
	* dwarf.c (struct State_Machine_Registers): Add op_index field,
	change end_sequence type to unsigned char.
	(reset_state_machine): Clear op_index.
	(process_extended_line_op): For DW_LNE_set_address clear op_index.
	(display_debug_lines_raw): Initialize li_max_ops_per_insn.
	Track op_index state machine register and print it if
	li_max_ops_per_insn is != 1.
	(display_debug_lines_decoded): Likewise.

include/dwarf2.h

@@ -66,6 +66,7 @@ typedef struct
   unsigned short li_version;
   unsigned int   li_prologue_length;
   unsigned char  li_min_insn_length;
+  unsigned char  li_max_ops_per_insn;
   unsigned char  li_default_is_stmt;
   int            li_line_base;
   unsigned char  li_line_range;