2011-08-03 Philippe Waroquiers <philippe.waroquiers@skynet.be>

2011-08-03  Philippe Waroquiers  <philippe.waroquiers@skynet.be>

	* breakpoint.c (update_global_location_list): Ensure
	invariant 'first loc marked not duplicated and inserted,
	following locs marked duplicated/not inserted' is respected
	for multiple locations at the same address.
	(unduplicated_should_be_inserted) New function.
	(swap_insertion) New function.

2011-08-03  Philippe Waroquiers  <philippe.waroquiers@skynet.be>

	* gdb.base/break-always.exp: Complete the test
	with duplicated breakpoints and enabling/disabling them.