I recently made a change in STD and noticed that functions I added not inlined (e.g.
<&[u8]>::spec_new_impl not inlined into
<&str>::spec_new_impl) as I expected.
CString::from_vec_unchecked not inlined into
However, those inlining happens when I enable LTO so I think they would be inlined if
std would be built with
Are distribution builds (e.g. stable releases and nightlies) built with
codegen-units=1 or not?