From 82d0499f5087a63f7d544ee8160afc0f9b130863 Mon Sep 17 00:00:00 2001
From: Dan Gohman <sunfish@mozilla.com>
Date: Fri, 20 Dec 2019 14:20:46 -0800
Subject: [PATCH] Add comments.

---
 tests/run.sh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tests/run.sh b/tests/run.sh
index eb1ad67..0bc1457 100755
--- a/tests/run.sh
+++ b/tests/run.sh
@@ -1,6 +1,9 @@
 #!/bin/bash
 set -ueo pipefail
 
+# Top-level test runner. Usage is "run.sh <runwasi>" where <runwasi> is a
+# WASI-capable runtime.
+
 runwasi="$1"
 
 cd compile-only