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fix #2935

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-02-03 19:57:20 -08:00
parent 7a946fd9d0
commit 32968fa41c
4 changed files with 28 additions and 15 deletions
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3
src/util/hash.h
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@ -75,13 +75,14 @@ inline unsigned unsigned_ptr_hash(unsigned const* vec, unsigned len, unsigned in
template<typename Composite, typename GetKindHashProc, typename GetChildHashProc>
unsigned get_composite_hash(Composite app, unsigned n, GetKindHashProc const & khasher = GetKindHashProc(), GetChildHashProc const & chasher = GetChildHashProc()) {
unsigned a, b, c;
SASSERT(n > 0);
unsigned kind_hash = khasher(app);
a = b = 0x9e3779b9;
c = 11;
switch (n) {
case 0:
return c;
case 1:
a += kind_hash;
b = chasher(app, 0);