Rollup merge of rust-lang#84481 - RalfJung:miri, r=RalfJung

Dylan-DPC · web-flow · commit 8509ccb34211 · 2021-04-25T02:56:54.000+02:00
update Miri

Cc ``@rust-lang/miri`` r? ``@ghost``
diff --git a/src/tools/miri b/src/tools/miri
@@ -1 +1 @@
-Subproject commit a86eab3e6c3d645769bfdb2d09efd84d1e1fcbc0
+Subproject commit 58436e942a9f301748a2d7e88e6184e168cfcfbd
