update miri

diff --git a/src/tools/miri b/src/tools/miri
index e3527fdba7178120a6398e76aa4b3908b10ef85e..72b4ee0381decf609204e5548c1f5e79bdfb18b7 160000 (submodule)
--- a/src/tools/miri
+++ b/src/tools/miri
@@ -1 +1 @@
-Subproject commit e3527fdba7178120a6398e76aa4b3908b10ef85e
+Subproject commit 72b4ee0381decf609204e5548c1f5e79bdfb18b7