From 5106e2dd9e805424132d3c79d21b75a3ad338122 Mon Sep 17 00:00:00 2001
From: Avi Weinstock <aweinstock314@gmail.com>
Date: Thu, 16 Jan 2020 17:37:07 -0500
Subject: [PATCH] ICE PoC: ```error: internal compiler error:
 src/librustc/traits/select.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 | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/base/conversion.rs b/src/base/conversion.rs
index df957a141..b9b42936a 100644
--- a/src/base/conversion.rs
+++ b/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()