From 065c01845bfc67ba8805cc02817c3de4c36f8cbd Mon Sep 17 00:00:00 2001
From: Kartik Agaram <vc@akkartik.com>
Date: Wed, 27 Feb 2019 00:54:42 -0800
Subject: 4992

---
 subx/003trace.cc | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'subx/003trace.cc')

diff --git a/subx/003trace.cc b/subx/003trace.cc
index b794cab9..9aba3f12 100644
--- a/subx/003trace.cc
+++ b/subx/003trace.cc
@@ -415,6 +415,9 @@ ofstream Trace_file;
 else if (is_equal(*arg, "--trace")) {
   cerr << "saving trace to 'last_run'\n";
   Trace_file.open("last_run");
+  // Add a dummy line up top; otherwise the `browse_trace` tool currently has
+  // no way to expand any lines above an error.
+  Trace_file << "   0 dummy: start\n";
 }
 :(before "End trace Commit")
 if (Trace_file) {
-- 
cgit 1.4.1-2-gfad0