From fbe3a475f290c0847623357c732caa62b29389f3 Mon Sep 17 00:00:00 2001
From: Maybe Waffle <waffle.lapkin@gmail.com>
Date: Wed, 7 Jun 2023 18:59:31 +0000
Subject: [PATCH] Don't `use compile_error as print`

---
 compiler/rustc_driver_impl/src/lib.rs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/compiler/rustc_driver_impl/src/lib.rs b/compiler/rustc_driver_impl/src/lib.rs
index 14888cf4d75c0..c503a44c19698 100644
--- a/compiler/rustc_driver_impl/src/lib.rs
+++ b/compiler/rustc_driver_impl/src/lib.rs
@@ -58,11 +58,18 @@ use std::str;
 use std::sync::OnceLock;
 use std::time::Instant;
 
+#[allow(unused_macros)]
+macro do_not_use_print($($t:tt)*) {
+    std::compile_error!(
+        "Don't use `print` or `println` here, use `safe_print` or `safe_println` instead"
+    )
+}
+
 // This import blocks the use of panicking `print` and `println` in all the code
 // below. Please use `safe_print` and `safe_println` to avoid ICE when
 // encountering an I/O error during print.
 #[allow(unused_imports)]
-use std::{compile_error as print, compile_error as println};
+use {do_not_use_print as print, do_not_use_print as println};
 
 pub mod args;
 pub mod pretty;