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Ensure enough space in attrset bindings when using both __overrides and dynamic attributes

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puck 2019-11-25 12:37:14 +00:00
parent d12d69ea1a
commit cd55f91ad2
1 changed files with 1 additions and 1 deletions
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2
src/libexpr/eval.cc
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@ -875,7 +875,7 @@ void ExprAttrs::eval(EvalState & state, Env & env, Value & v)
if (hasOverrides) { if (hasOverrides) {
Value * vOverrides = (*v.attrs)[overrides->second.displ].value; Value * vOverrides = (*v.attrs)[overrides->second.displ].value;
state.forceAttrs(*vOverrides); state.forceAttrs(*vOverrides);
Bindings * newBnds = state.allocBindings(v.attrs->size() + vOverrides->attrs->size()); Bindings * newBnds = state.allocBindings(v.attrs->capacity() + vOverrides->attrs->size());
for (auto & i : *v.attrs) for (auto & i : *v.attrs)
newBnds->push_back(i); newBnds->push_back(i);
for (auto & i : *vOverrides->attrs) { for (auto & i : *vOverrides->attrs) {