[Libreoffice-bugs] [Bug 144650] LO crashes after opening of read-only file

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=144650

--- Comment #7 from Kevin Suo <suokunlong at 126.com> ---
I tried to get a backtrace (on Linux), but failed. Instead, I get the following
output in terminal: 

/usr/include/c++/11/debug/safe_iterator.h:330:
In function:
    __gnu_debug::_Safe_iterator<_Iterator, _Sequence, _Category>& 
    __gnu_debug::_Safe_iterator<_Iterator, _Sequence, 
    _Category>::operator++() [with _Iterator = 
    std::__detail::_Node_iterator<std::pair<SfxMedium* const, 
    std::shared_ptr<{anonymous}::ReadOnlyMediumEntry> >, false, false>; 
    _Sequence = std::__debug::unordered_map<SfxMedium*, 
    std::shared_ptr<{anonymous}::ReadOnlyMediumEntry> >; _Category = 
    std::forward_iterator_tag]

Error: attempt to increment a singular iterator.

Objects involved in the operation:
    iterator "this" @ 0x0x7f3467b48190 {
      type = std::__detail::_Node_iterator<std::pair<SfxMedium* const,
std::shared_ptr<(anonymous namespace)::ReadOnlyMediumEntry> >, false, false>
(mutable iterator);
      state = singular;
      references sequence with type 'std::__debug::unordered_map<SfxMedium*,
std::shared_ptr<(anonymous namespace)::ReadOnlyMediumEntry>,
std::hash<SfxMedium*>, std::equal_to<SfxMedium*>,
std::allocator<std::pair<SfxMedium* const, std::shared_ptr<(anonymous
namespace)::ReadOnlyMediumEntry> > > >' @ 0x0x7f3484bc56a0
    }

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