It does say this. One of the last slides says 4% of the additional size came from adding more debugging information, excluding anything to do with the new inlining.
"If I'm understanding the increase is mostly due to the "debugging" info that is added, not necessarily due to more code.
"
vs
" One of the last slides says 4% of the additional size came from adding more debugging information, excluding anything to do with the new inlining"
So no, it doesn't say that it's "mostly due", it says ~25% is due to debugging information.
So no, it doesn't say that it's "mostly due", it says ~25% is due to debugging information.