From 38da1fab787edc090f068a4226c07373dfa2f5b7 Mon Sep 17 00:00:00 2001
From: Oli Scherer <github35764891676564198441@oli-obk.de>
Date: Tue, 9 Mar 2021 14:50:38 +0100
Subject: [PATCH] mir-opt-level 4 is the new 3

---
 ci.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ci.sh b/ci.sh
index 6dae2cfd46..a86c5ca490 100755
--- a/ci.sh
+++ b/ci.sh
@@ -24,7 +24,7 @@ function run_tests {
   if [ -z "${MIRI_TEST_TARGET+exists}" ]; then
     # Only for host architecture: tests with optimizations (`-O` is what cargo passes, but crank MIR
     # optimizations up all the way).
-    MIRIFLAGS="-O -Zmir-opt-level=3" ./miri test --locked
+    MIRIFLAGS="-O -Zmir-opt-level=4" ./miri test --locked
   fi
 
   # On Windows, there is always "python", not "python3" or "python2".