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bypass append when src is empty

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-12-31 16:43:07 -08:00
parent a44a46a514
commit ca18150c23
1 changed files with 2 additions and 0 deletions
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2
src/util/params.cpp
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@ -565,6 +565,8 @@ void params_ref::set(params_ref const & p) {
void params_ref::copy(params_ref const & src) {
if (m_params == nullptr || m_params->empty())
set(src);
else if (src.empty())
return;
else {
init();
copy_core(src.m_params);