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fix(library/class_instance_resolution): incorrect assertion

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Leonardo de Moura 2015-10-18 12:20:33 -07:00
parent 443aca6280
commit 5f90ff0f07
1 changed files with 2 additions and 1 deletions
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3
src/library/class_instance_resolution.cpp
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@ -1036,7 +1036,8 @@ struct cienv {
} }
bool backtrack() { bool backtrack() {
lean_assert(!m_choices.empty()); if (m_choices.empty())
return false;
while (true) { while (true) {
m_choices.pop_back(); m_choices.pop_back();
if (m_choices.empty()) if (m_choices.empty())