Message 316349 - Python tracker

Warnings are emitted when compile with gcc-5, gcc-6 and gcc-7, but not when compile with gcc-4.8 or gcc-8.

Versions:

gcc-4.8 (Ubuntu 4.8.5-4ubuntu8) 4.8.5
gcc-5 (Ubuntu 5.5.0-12ubuntu1) 5.5.0 20171010
gcc-6 (Ubuntu 6.4.0-17ubuntu1) 6.4.0 20180424
gcc-7 (Ubuntu 7.3.0-16ubuntu3) 7.3.0
gcc-8 (Ubuntu 8-20180414-1ubuntu2) 8.0.1 20180414 (experimental) [trunk revision 259383]