+ src->refcount++;
+
+ /* If CUR_LOC of some variable part is not the first element of
+ the location chain we are going to change it so we have to make
+ a copy of the variable. */
+ for (k = 0; k < src->n_var_parts; k++)
+ {
+ gcc_assert (!src->var_part[k].loc_chain
+ == !src->var_part[k].cur_loc);
+ if (src->var_part[k].loc_chain)
+ {
+ gcc_assert (src->var_part[k].cur_loc);
+ if (src->var_part[k].cur_loc != src->var_part[k].loc_chain->loc)
+ break;
+ }
+ }
+ if (k < src->n_var_parts)
+ unshare_variable (set, src);
+ else
+ *dstp = src;
+
+ /* Continue traversing the hash table. */
+ return 1;