I just tried again with older linaro gcc - got a similar backtrace, maybe with
some more info?
Program received signal SIGSEGV, Segmentation fault.
0x77985a4c in memcmp () from /lib/libc.so.0
(gdb) bt full
#0 0x77985a4c in memcmp () from /lib/libc.so.0
No symbol table info available.
#1 0x77cd0310 in std::tr1::_Hashtable<std::string, std::pair<std::string
const, google::protobuf::FieldDescriptorProto_Type>,
std::allocator<std::pair<std::string const,
google::protobuf::FieldDescriptorProto_Type> >,
std::_Select1st<std::pair<std::string const,
google::protobuf::FieldDescriptorProto_Type> >, std::equal_to<std::string>,
google::protobuf::hash<std::string>, std::tr1::__detail::_Mod_range_hashing,
std::tr1::__detail::_Default_ranged_hash,
std::tr1::__detail::_Prime_rehash_policy, false, false, true>::_M_find_node
(__p=<value optimized out>, __k=<value optimized out>)
at
/data/openwrt/staging_dir/toolchain-mips_r2_gcc-4.6-linaro_uClibc-0.9.33.2/lib/gcc/mips-openwrt-linux-uclibc/4.6.3/../../../../mips-openwrt-linux-uclibc/include/c++/4.6.3/bits/char_traits.h:257
No locals.
#2 0x77cda3f0 in std::tr1::__detail::_Map_base<std::string,
std::pair<std::string const, google::protobuf::FieldDescriptorProto_Type>,
std::_Select1st<std::pair<std::string const,
google::protobuf::FieldDescriptorProto_Type> >, true,
std::tr1::_Hashtable<std::string, std::pair<std::string const,
google::protobuf::FieldDescriptorProto_Type>,
std::allocator<std::pair<std::string const,
google::protobuf::FieldDescriptorProto_Type> >,
std::_Select1st<std::pair<std::string const,
google::protobuf::FieldDescriptorProto_Type> >, std::equal_to<std::string>,
google::protobuf::hash<std::string>, std::tr1::__detail::_Mod_range_hashing,
std::tr1::__detail::_Default_ranged_hash,
std::tr1::__detail::_Prime_rehash_policy, false, false, true> >::operator[]
(this=0x77d0f970, __k=@0x7fca7620)
at
/data/openwrt/staging_dir/toolchain-mips_r2_gcc-4.6-linaro_uClibc-0.9.33.2/lib/gcc/mips-openwrt-linux-uclibc/4.6.3/../../../../mips-openwrt-linux-uclibc/include/c++/4.6.3/bits/basic_string.h:235
__h = (
std::tr1::_Hashtable<std::basic_string<char, std::char_traits<char>,
std::allocator<char> >, std::pair<const std::basic_string<char,
std::char_traits<char>, std::allocator<char> >,
google::protobuf::FieldDescriptorProto_Type>, std::allocator<std::pair<const
std::basic_string<char, std::char_traits<char>, std::allocator<char> >,
google::protobuf::FieldDescriptorProto_Type> >, std::_Select1st<std::pair<const
std::basic_string<char, std::char_traits<char>, std::allocator<char> >,
google::protobuf::FieldDescriptorProto_Type> >,
std::equal_to<std::basic_string<char, std::char_traits<char>,
std::allocator<char> > >, google::protobuf::hash<std::basic_string<char,
std::char_traits<char>, std::allocator<char> > >,
std::tr1::__detail::_Mod_range_hashing,
std::tr1::__detail::_Default_ranged_hash,
std::tr1::__detail::_Prime_rehash_policy, false, false, true> *) 0x77d0f970
__code = 448222
__n = 5
__p = <value optimized out>
#3 0x77cd34b8 in __static_initialization_and_destruction_0
(__initialize_p=<value optimized out>)
at
/data/openwrt/staging_dir/toolchain-mips_r2_gcc-4.6-linaro_uClibc-0.9.33.2/lib/gcc/mips-openwrt-linux-uclibc/4.6.3/../../../../mips-openwrt-linux-uclibc/include/c++/4.6.3/bits/basic_string.h:235
No locals.
#4 0x77cdabd4 in __do_global_ctors_aux () from /usr/lib/libprotobuf.so.7
No symbol table info available.
#5 0x77c30ad8 in ?? () from /usr/lib/libprotobuf.so.7
No symbol table info available.
Backtrace stopped: frame did not save the PC
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