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clear memory on allocation to avoid msan warnings

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-11-29 15:50:49 -08:00
parent 7e452254c3
commit cdf3c48349
2 changed files with 2 additions and 0 deletions
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1
src/muz/rel/tbv.cpp
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@ -44,6 +44,7 @@ void tbv_manager::reset() {
} }
tbv* tbv_manager::allocate() { tbv* tbv_manager::allocate() {
tbv* r = static_cast<tbv*>(m.allocate()); tbv* r = static_cast<tbv*>(m.allocate());
m.reset(*r);
DEBUG_CODE( DEBUG_CODE(
if (s_debug_alloc) { if (s_debug_alloc) {
TRACE("doc", tout << allocated_tbvs.size() << " " << r << "\n";); TRACE("doc", tout << allocated_tbvs.size() << " " << r << "\n";);

1
src/util/fixed_bit_vector.cpp
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@ -48,6 +48,7 @@ fixed_bit_vector_manager::fixed_bit_vector_manager(unsigned num_bits):
m_num_bytes = m_num_words * sizeof(unsigned); m_num_bytes = m_num_words * sizeof(unsigned);
unsigned bit_rest = m_num_bits % 32; unsigned bit_rest = m_num_bits % 32;
m_mask = (1U << bit_rest) - 1; m_mask = (1U << bit_rest) - 1;
memset(&m_0, 0, sizeof(m_0));
if (m_mask == 0) m_mask = UINT_MAX; if (m_mask == 0) m_mask = UINT_MAX;
} }