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-rw-r--r--erts/emulator/beam/erl_map.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/erts/emulator/beam/erl_map.c b/erts/emulator/beam/erl_map.c
index 20a17bcd24..4acf830655 100644
--- a/erts/emulator/beam/erl_map.c
+++ b/erts/emulator/beam/erl_map.c
@@ -568,14 +568,14 @@ static Eterm hashmap_from_unsorted_array(ErtsHeapFactory* factory,
while(ix < jx) {
lx = ix;
- while(ix < jx && EQ(CAR(list_val(hxns[ix].val)), CAR(list_val(hxns[lx].val)))) {
+ while(++ix < jx && EQ(CAR(list_val(hxns[ix].val)),
+ CAR(list_val(hxns[lx].val)))) {
if (reject_dupkeys)
return THE_NON_VALUE;
if (hxns[ix].i > hxns[lx].i) {
lx = ix;
}
- ix++;
}
hxns[cx].hx = hxns[lx].hx;
hxns[cx].val = hxns[lx].val;