zhaih commented on a change in pull request #163:
URL: https://github.com/apache/lucene/pull/163#discussion_r644141734
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File path: lucene/core/src/java/org/apache/lucene/util/automaton/Operations.java
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@@ -676,7 +677,7 @@ public static Automaton determinize(Automaton a, int
maxDeterminizedStates) {
// a.writeDot("/l/la/lucene/core/detin.dot");
// Same initial values and state will always have the same hashCode
- FrozenIntSet initialset = new FrozenIntSet(new int[] {0}, 683, 0);
+ FrozenIntSet initialset = new FrozenIntSet(new int[] {0}, BitMixer.mix(0)
+ 1, 0);
Review comment:
Just to keep the hash code the same with the one used in `StateSet`, 0
should be the hash code used for 0 length array I think?
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