From 27b9b166d13024ca103dc8d611724b06c32302da Mon Sep 17 00:00:00 2001
From: Chris Denton <christophersdenton@gmail.com>
Date: Tue, 2 Aug 2022 01:08:13 +0100
Subject: [PATCH] Error on broken pipe but do not ICE

---
 compiler/rustc_driver/src/lib.rs | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/compiler/rustc_driver/src/lib.rs b/compiler/rustc_driver/src/lib.rs
index 53ae913f94f..94639bf8e1e 100644
--- a/compiler/rustc_driver/src/lib.rs
+++ b/compiler/rustc_driver/src/lib.rs
@@ -1148,6 +1148,17 @@ pub fn catch_with_exit_code(f: impl FnOnce() -> interface::Result<()>) -> i32 {
     LazyLock::new(|| {
         let hook = panic::take_hook();
         panic::set_hook(Box::new(|info| {
+            // If the error was caused by a broken pipe then this is not a bug.
+            // Write the error and return immediately. See #98700.
+            #[cfg(windows)]
+            if let Some(msg) = info.payload().downcast_ref::<String>() {
+                if msg.starts_with("failed printing to stdout: ") && msg.ends_with("(os error 232)")
+                {
+                    early_error_no_abort(ErrorOutputType::default(), &msg);
+                    return;
+                }
+            };
+
             // Invoke the default handler, which prints the actual panic message and optionally a backtrace
             (*DEFAULT_HOOK)(info);