> In other words, adding -g by itself made the build non-reproducible. In my experience, this is largely not true. However, what is plausible is that before GC

> In other words, adding -g by itself made the build non-reproducible. In my experience, this is largely not true. However, what is plausible is that before GCC 8, LTO, which, for speed reasons, can split work across multiple threads, was not deterministic, and GCC 8 might have made that better.