ICE PoC: ```error: internal compiler error: src/librustc/traits/selec…

…t.rs:2933: Where clause `Binder(<base::default_allocator::DefaultAllocator as base::allocator::Allocator<N, R, C>>)` was applicable to `Obligation(predicate=Binder(TraitPredicate(<base::default_allocator::DefaultAllocator as base::allocator::Allocator<_, _, _>>)), depth=1)` but now is not```

src/base/conversion.rs

@@ -350,6 +350,7 @@ where
     R::Value: Mul<C::Value>,
     Prod<R::Value, C::Value>: ArrayLength<N>,
     ArrayStorage<N, R, C>: Storage<N, R, C, InitializedTag>,
+    DefaultAllocator: Allocator<N, R, C>
 {
     fn from(matrix_slice: MatrixSlice<'a, N, R, C, RStride, CStride>) -> Self {
         matrix_slice.into_owned()