Try avoiding MIR inlining, if any

Co-authored-by: scottmcm <[email protected]>

library/alloc/src/raw_vec.rs

@@ -548,6 +548,7 @@ impl<T, A: Allocator> RawVec<T, A> {
 // above `RawVec::grow_amortized` for details. (The `A` parameter isn't
 // significant, because the number of different `A` types seen in practice is
 // much smaller than the number of `T` types.)
+#[rustc_no_mir_inline]
 fn finish_grow<A>(
     new_layout: Result<Layout, LayoutError>,
     current_memory: Option<(NonNull<u8>, Layout)>,