I get an error too, from ASAN. There is some illegal data passed to Profile by
that line.
=================================================================
==10374==ERROR: AddressSanitizer: stack-use-after-scope on address
0x7ffe6d2c9300 at pc 0x7f9ba515b66e bp 0x7ffe6d2c8d80 sp 0x7ffe6d2c8528
READ of size 3 at 0x7ffe6d2c9300 thread T0
#0 0x7f9ba515b66d (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x5166d)
#1 0x55b57ce0c51d in boost::range_detail::length(char const*)
/usr/include/boost/range/as_literal.hpp:38
#2 0x55b57ce2093e in boost::iterator_range<char const*>
boost::range_detail::make_range<char const>(char const*, bool)
/usr/include/boost/range/as_literal.hpp:86
#3 0x55b57cee0d81 in boost::iterator_range<boost::range_iterator<char
const* const, void>::type> boost::as_literal<char const*>(char const* const&)
/usr/include/boost/range/as_literal.hpp:109
#4 0x55b57dd78425 in bool boost::algorithm::equals<char const*, char
const*, boost::algorithm::is_iequal>(char const* const&, char const* const&,
boost::algorithm::is_iequal)
/usr/include/boost/algorithm/string/predicate.hpp:290
#5 0x55b57dd77345 in bool boost::algorithm::iequals<char const*, char
const*>(char const* const&, char const* const&, std::locale const&)
/usr/include/boost/algorithm/string/predicate.hpp:346
#6 0x55b57dd71a84 in Section::has_val(char const*) const
src/profile/profile.cc:216
#7 0x55b57db5209d in LuaBases::push_table_recursively(lua_State*,
std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>
>, Section*, Section*, Section*, Section*) src/scripting/lua_bases.cc:431
#8 0x55b57db5330f in
LuaBases::LuaEditorGameBase::read_campaign_data(lua_State*)
src/scripting/lua_bases.cc:488
--
https://code.launchpad.net/~widelands-dev/widelands/campaign_data/+merge/343783
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