[DWARVES]: Mark the end of bitfields in class__find_holes

To ease some algorithms where we have to find the transition from
one bitfield to another.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

dwarves.c

@@ -1881,6 +1881,7 @@ void class__find_holes(struct class *self, const struct cu *cu)
 					if (last->bit_hole != 0)
 						++self->nr_bit_holes;
 
+					last->bitfield_end = 1;
 					bit_sum = 0;
 				}
 			} else if (cc_last_size < 0 && bit_sum == 0)

dwarves.h

@@ -265,6 +265,7 @@ struct class_member {
 	uint8_t		 bit_size;
 	uint8_t		 bit_hole;	/* If there is a bit hole before the next
 					   one (or the end of the struct) */
+	uint8_t		 bitfield_end:1; /* Is this the last entry in a bitfield? */
 	uint8_t		 visited:1;
 	uint8_t		 accessibility:2; /* DW_ACCESS_{public,protected,private} */
 	uint8_t		 virtuality:2; /* DW_VIRTUALITY_{none,virtual,pure_virtual} */