diff options
Diffstat (limited to 'qmake/library')
-rw-r--r-- | qmake/library/proitems.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/qmake/library/proitems.h b/qmake/library/proitems.h index ff7c8b92f7..4569d7c3ff 100644 --- a/qmake/library/proitems.h +++ b/qmake/library/proitems.h @@ -433,11 +433,12 @@ public: ProFunctionDef(const ProFunctionDef &o) : m_pro(o.m_pro), m_offset(o.m_offset) { m_pro->ref(); } ProFunctionDef(ProFunctionDef &&other) noexcept : m_pro(other.m_pro), m_offset(other.m_offset) { other.m_pro = nullptr; } - ~ProFunctionDef() { m_pro->deref(); } + ~ProFunctionDef() { if (m_pro) m_pro->deref(); } ProFunctionDef &operator=(const ProFunctionDef &o) { if (this != &o) { - m_pro->deref(); + if (m_pro) + m_pro->deref(); m_pro = o.m_pro; m_pro->ref(); m_offset = o.m_offset; |