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Fix segfault in edge case when jumping backwards in jumplist

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Closes #380
This commit is contained in:
Viktor Palmkvist 2015-08-26 11:54:51 +02:00
parent 3552152b34
commit b53d9e282e
1 changed files with 2 additions and 0 deletions
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2
src/context.cc
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@ -127,6 +127,8 @@ const SelectionList& Context::jump_backward()
{ {
push_jump(); push_jump();
--m_current_jump; --m_current_jump;
if (m_current_jump == m_jump_list.begin())
throw runtime_error("no previous jump");
} }
SelectionList& res = *--m_current_jump; SelectionList& res = *--m_current_jump;
res.update(); res.update();