[Bug lto/71018] lto + ipa-pta causes exception with trivial boost::ptime code.

[riad93 at mail dot ru]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71018

--- Comment #1 from riad93 at mail dot ru ---
Accidentaly sent before adding info

-v:

Using built-in specs.
COLLECT_GCC=/opt/gcc-6/bin/c++-6.1
COLLECT_LTO_WRAPPER=/opt/gcc-6/libexec/gcc/x86_64-pc-linux-gnu/6.1.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ../configure --enable-languages=c,c++ --enable-shared
--enable-threads=posix --program-suffix=-6.1 --with-system-zlib
--prefix=/opt/gcc-6/ --disable-multilib --disable-bootstrap
Thread model: posix
gcc version 6.1.0 (GCC)

Command line:

/opt/gcc-6/bin/c++-6.1 -O2 -fipa-pta -flto=24 flto_test.cpp -o flto_test
-Wl,-rpath,/opt/gcc-6/lib64 -Wall -Wextra -fno-strict-aliasing -fwrapv
-fsanitize=undefined && ./flto_test

Output:

flto_test.cpp: In function ‘time_type {anonymous}::utc_to_local(const
time_type&)’:
flto_test.cpp:18:22: warning: variable ‘dd’ set but not used
[-Wunused-but-set-variable]
   date_duration_type dd = t.date() - time_t_start_day;
                      ^~
terminate called after throwing an instance of
'boost::exception_detail::clone_impl<boost::exception_detail::error_info_injector<boost::gregorian::bad_year>
>'
  what():  Year is out of valid range: 1400..10000
[1]    10332 abort      ./flto_test