From 0dde70ef763d7d21ea2fe703deb253a9ae59cf72 Mon Sep 17 00:00:00 2001
From: Matthew Lugg <mlugg@mlugg.co.uk>
Date: Tue, 28 Oct 2025 13:34:53 +0000
Subject: [PATCH] std.Build: fix '--webui' crash

Using '--webui' without '--time-report' when there are Run steps in the
graph was regressed by https://github.com/ziglang/zig/pull/25029.
---
 lib/std/Build/Step/Run.zig | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/lib/std/Build/Step/Run.zig b/lib/std/Build/Step/Run.zig
index 314862e201..eb1de3dd3b 100644
--- a/lib/std/Build/Step/Run.zig
+++ b/lib/std/Build/Step/Run.zig
@@ -1587,11 +1587,15 @@ fn spawnChildAndCollect(
         run.step.test_results = res.test_results;
         if (res.test_metadata) |tm| {
             run.cached_test_metadata = tm.toCachedTestMetadata();
-            if (options.web_server) |ws| ws.updateTimeReportRunTest(
-                run,
-                &run.cached_test_metadata.?,
-                tm.ns_per_test,
-            );
+            if (options.web_server) |ws| {
+                if (b.graph.time_report) {
+                    ws.updateTimeReportRunTest(
+                        run,
+                        &run.cached_test_metadata.?,
+                        tm.ns_per_test,
+                    );
+                }
+            }
         }
         return null;
     } else {