Restart work started as ^/projects/runtime-coverage
The intent of this project branch is as follows (using r320180's commit
message):
Start project branch for integrating runtime coverage instrumentation in to the build Runtime coverage instrumentation is typically used/useful with gcov/lcov, and helps developers gather information about how many times lines/branches are hit, etc in order to help them improve tests for libraries/programs. gcov statistics are separate from gprof statistics.