From 5c6f5e6cf2d6fdce2083e1f946a1f5ee407dbdf9 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Fri, 26 Jul 2024 15:38:12 -0700
Subject: [PATCH] test runner: avoid spawning progress thread when instrumented

because it causes unwanted concurrent accesses to pc tracking
---
 lib/compiler/test_runner.zig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/compiler/test_runner.zig b/lib/compiler/test_runner.zig
index 3e97062982..be793376a5 100644
--- a/lib/compiler/test_runner.zig
+++ b/lib/compiler/test_runner.zig
@@ -166,7 +166,7 @@ fn mainTerminal() void {
     var skip_count: usize = 0;
     var fail_count: usize = 0;
     var fuzz_count: usize = 0;
-    const root_node = std.Progress.start(.{
+    const root_node = if (builtin.fuzz) std.Progress.Node.none else std.Progress.start(.{
         .root_name = "Test",
         .estimated_total_items = test_fn_list.len,
     });