non-permanent breakpoints.
(bpstat_stop_status): Change enable_state to bp_disabled only for
non-permanent breakpoints.
(bp_loc_is_permanent): New function.
(create_breakpoint): Check if the location points to a permanent
breakpoint and if it does, make breakpoint permanent.
(update_breakpoint_locations): Make sure new locations of permanent
breakpoints are properly initialized.
* i386-tdep.c (i386_skip_permanent_breakpoint): New function.
(i386_gdbarch_init): Set gdbarch_skip_permanent_breakpoint.
* gdb.arch/i386-bp_permanent.exp: New test.
