[Boost-bugs] [Boost C++ Libraries] #12926: UBSAN complains about "left shift of negative value -4" from boost::icl::interval_bounds::reverse_right()

Subject: [Boost-bugs] [Boost C++ Libraries] #12926: UBSAN complains about "left shift of negative value -4" from boost::icl::interval_bounds::reverse_right()
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2017-03-23 15:39:37

#12926: UBSAN complains about "left shift of negative value -4" from
boost::icl::interval_bounds::reverse_right()
------------------------------+---------------------
 Reporter:  tgrabiec@…        |      Owner:  jofaber
     Type:  Bugs              |     Status:  new
Milestone:  To Be Determined  |  Component:  ICL
  Version:  Boost 1.60.0      |   Severity:  Problem
 Keywords:                    |
------------------------------+---------------------
 {{{
 /usr/include/boost/icl/interval_bounds.hpp:45:74: runtime error: left
 shift of negative value -4
     #0 0x2e91091 in boost::icl::interval_bounds::reverse_right() const
 /usr/include/boost/icl/interval_bounds.hpp:45
     #1 0x2eec8cc in
 boost::enable_if<boost::icl::has_dynamic_bounds<boost::icl::continuous_interval<compatible_ring_position,
 std::less> >, boost::icl::continuous_interval<compatible_ring_position,
 std::less>::bounded_domain_type>::type
 boost::icl::reverse_bounded_upper<boost::icl::continuous_interval<compatible_ring_position,
 std::less> >(boost::icl::continuous_interval<compatible_ring_position,
 std::less> const&) /usr/include/boost/icl/concept/interval.hpp:509
 }}}

 boost-1.60.0-8.fc24.x86_64

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Ticket URL: <https://svn.boost.org/trac/boost/ticket/12926>
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