Issue description:
We build and run test for boost. And we found some tests failed to run after boost submodule core updated from 2d99ac (master) to 32ac6c (https://github.com/boostorg/boost/commit/414fd2b5a34c45abcf47f72d22484372fd6716f7). It seems all the tests failed due to "main() should return report_errors()". Details is as below. Could you please take a look?
type_index (see attached log_x86_test_113.log)
...failed test 4 targets...
thread (see attached log_x86_test_105.log)
...failed test 6 targets...
ratio (see attached log_x86_test_90.log)
...failed test 1 targets...
pool (see attached log_x86_test_77.log)
...failed test 2 targets...
phoenix (see attached log_x86_test_74.log)
...failed test 4 targets...
fusion (see attached log_x86_test_41.log)
...failed test 3 targets...
exception (see attached log_x86_test_32.log)
...failed test 2 targets...
config (see attached log_x86_test_17.log)
..failed test 1 target...
Environment: VS 2017 + Windows Server 2016
Issue description: We build and run test for boost. And we found some tests failed to run after boost submodule core updated from 2d99ac (master) to 32ac6c (https://github.com/boostorg/boost/commit/414fd2b5a34c45abcf47f72d22484372fd6716f7). It seems all the tests failed due to "main() should return report_errors()". Details is as below. Could you please take a look?
type_index (see attached log_x86_test_113.log) ...failed test 4 targets...
thread (see attached log_x86_test_105.log) ...failed test 6 targets...
ratio (see attached log_x86_test_90.log) ...failed test 1 targets...
pool (see attached log_x86_test_77.log) ...failed test 2 targets...
phoenix (see attached log_x86_test_74.log) ...failed test 4 targets...
fusion (see attached log_x86_test_41.log) ...failed test 3 targets...
exception (see attached log_x86_test_32.log) ...failed test 2 targets...
config (see attached log_x86_test_17.log) ..failed test 1 target...
log_x86_test_17.log log_x86_test_32.log log_x86_test_41.log log_x86_test_74.log log_x86_test_77.log log_x86_test_90.log log_x86_test_105.log log_x86_test_113.log