From fd0c324cb05d0d30f8ca5ae44f6db5072975b125 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Sun, 21 Dec 2025 17:06:02 -0800
Subject: [PATCH] std.debug: fix simple_panic

---
 lib/std/debug.zig              | 5 +----
 lib/std/debug/simple_panic.zig | 3 +--
 2 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/lib/std/debug.zig b/lib/std/debug.zig
index 0e804e23483fd52230b7862e3357a14e02b46c0e..5129a70b023db7ec334245f5ea243216c9e3b721 100644
--- a/lib/std/debug.zig
+++ b/lib/std/debug.zig
@@ -489,10 +489,7 @@ const use_trap_panic = switch (builtin.zig_backend) {
 };
 
 /// Dumps a stack trace to standard error, then aborts.
-pub fn defaultPanic(
-    msg: []const u8,
-    first_trace_addr: ?usize,
-) noreturn {
+pub fn defaultPanic(msg: []const u8, first_trace_addr: ?usize) noreturn {
     @branchHint(.cold);
 
     if (use_trap_panic) @trap();
diff --git a/lib/std/debug/simple_panic.zig b/lib/std/debug/simple_panic.zig
index 34e8f7b43c8e7dcaaa6a55107757481dc3c6c678..a5a09fa1162e75cf9aad5a69a1bfcd3a3e1845d9 100644
--- a/lib/std/debug/simple_panic.zig
+++ b/lib/std/debug/simple_panic.zig
@@ -14,9 +14,8 @@ const std = @import("../std.zig");
 pub fn call(msg: []const u8, ra: ?usize) noreturn {
     @branchHint(.cold);
     _ = ra;
-    const stderr_writer = std.debug.lockStderr(&.{}, null).terminal().writer;
+    const stderr_writer = &std.debug.lockStderr(&.{}).file_writer.interface;
     stderr_writer.writeAll(msg) catch {};
-    stderr_writer.flush(msg) catch {};
     @trap();
 }
 
-- 
2.54.0