From 8ed6baa749dc88c8da0267839249945a28dc7338 Mon Sep 17 00:00:00 2001
From: bjorn3 <17426603+bjorn3@users.noreply.github.com>
Date: Fri, 17 Feb 2023 18:28:12 +0100
Subject: [PATCH] Rustup to rustc 1.69.0-nightly (2d14db321 2023-02-15)

---
 build_system/build_sysroot.rs | 3 ++-
 rust-toolchain                | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/build_system/build_sysroot.rs b/build_system/build_sysroot.rs
index 6a4d6aaa3565e..62a025b4f8f75 100644
--- a/build_system/build_sysroot.rs
+++ b/build_system/build_sysroot.rs
@@ -240,7 +240,8 @@ fn build_clif_sysroot_for_triple(
     rustflags
         .push_str(&format!(" --sysroot={}", RTSTARTUP_SYSROOT.to_path(dirs).to_str().unwrap()));
     if channel == "release" {
-        rustflags.push_str(" -Zmir-opt-level=3");
+        // FIXME re-enable DataflowConstProp once rust-lang/rust#108166 is fixed
+        rustflags.push_str(" -Zmir-opt-level=3 -Zmir-enable-passes=-DataflowConstProp");
     }
     compiler.rustflags += &rustflags;
     let mut build_cmd = STANDARD_LIBRARY.build(&compiler, dirs);
diff --git a/rust-toolchain b/rust-toolchain
index eae1c2f9298a2..02cddbac1d948 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2023-02-15"
+channel = "nightly-2023-02-16"
 components = ["rust-src", "rustc-dev", "llvm-tools-preview"]