1. 2019-08-08 [issue37544] Test hang causes --enable-optimizations python-bu Jarek Zgoda 2. 2019-07-31 [issue37544] Test hang causes --enable-optimizations python-bu Ned Deily 3. 2019-07-30 [issue37544] Test hang causes --enable-optimizations python-bu Jarek Zgoda 4. 2019-07-23 [issue37544] Test hang causes --enable-optimizations python-bu Jarek Zgoda 5. 2019-07-21 [issue37544] Test hang causes --enable-optimizations python-bu Gregory P. Smith