From a493f7e81ee7653f4e7aa93662a39e77b7045c6e Mon Sep 17 00:00:00 2001
From: Keith Miller <keith_miller@apple.com>
Date: Thu, 23 Oct 2025 15:50:13 -0400
Subject: [PATCH 1/2] Shells should send console.warn and error to stderr

Right now they go to stdout, which makes running with json-dumping less
effective since we `warn` the subset of tests being run.
---
 utils/shell-config.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/utils/shell-config.js b/utils/shell-config.js
index 8b2c6da9..49c8ec48 100644
--- a/utils/shell-config.js
+++ b/utils/shell-config.js
@@ -29,8 +29,8 @@ if (typeof console == "undefined")
 
 console.debug ??= (...args) => console.log("Debug:", ...args);
 console.log ??= (...args) => print(args.join(" "));
-console.warn ??= (...args) => console.log("Warn:", ...args);
-console.error ??= (...args) => console.log("Error:", ...args); 
+console.warn ??= (...args) => printErr("Warn: " + args.join(" "));
+console.error ??= (...args) => printErr("Error: " + args.join(" "));
 console.assert ??=  (condition, message) => {
     if (!condition)
         throw new Error(`Assertion failed: ${message}`);

From 2533fe509c25b668f205912083eb17e0a24d06a2 Mon Sep 17 00:00:00 2001
From: Keith Miller <keith_miller@apple.com>
Date: Thu, 30 Oct 2025 10:53:38 +0100
Subject: [PATCH 2/2] Add console.debug to the list

---
 utils/shell-config.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/utils/shell-config.js b/utils/shell-config.js
index 49c8ec48..59d7895c 100644
--- a/utils/shell-config.js
+++ b/utils/shell-config.js
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018 Apple Inc. All rights reserved.
+ * Copyright (C) 2018-2025 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -27,7 +27,7 @@ const isInBrowser = false;
 if (typeof console == "undefined")
     console = {};
 
-console.debug ??= (...args) => console.log("Debug:", ...args);
+console.debug ??= (...args) => printErr("Debug: " + args.join(" "));
 console.log ??= (...args) => print(args.join(" "));
 console.warn ??= (...args) => printErr("Warn: " + args.join(" "));
 console.error ??= (...args) => printErr("Error: " + args.join(" "));