update miri

RalfJung · RalfJung · commit 54b303ace4f0 · 2018-09-29T19:43:15.000+02:00
diff --git a/src/tools/miri b/src/tools/miri
@@ -1 +1 @@
-Subproject commit 130d803b3243a92f5c2d9230935cba7fa88e263e
+Subproject commit e8f6973e2d40ab39e30cdbe0cf8e77a72c867d4f
