From 2af424268a2f5f6d44ba0f9271e1b536612499e7 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <m@mitchellh.com>
Date: Thu, 2 Oct 2025 15:52:05 -0700
Subject: [PATCH] Zig 0.15: emit bench

---
 src/synthetic/cli.zig | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/synthetic/cli.zig b/src/synthetic/cli.zig
index 36832587c..b32469aab 100644
--- a/src/synthetic/cli.zig
+++ b/src/synthetic/cli.zig
@@ -90,12 +90,17 @@ fn mainActionImpl(
     const rand = prng.random();
 
     // Our output always goes to stdout.
-    const writer = std.io.getStdOut().writer();
+    var buffer: [2048]u8 = undefined;
+    var stdout_writer = std.fs.File.stdout().writer(&buffer);
+    const writer = &stdout_writer.interface;
 
     // Create our implementation
     const impl = try Impl.create(alloc, opts);
     defer impl.destroy(alloc);
     try impl.run(writer, rand);
+
+    // Always flush
+    try writer.flush();
 }
 
 test {