From 155aff5bab5125c4b6f3988284966abcf74fa0f2 Mon Sep 17 00:00:00 2001
From: Ben Pfaff <blp@cs.stanford.edu>
Date: Tue, 19 Oct 2004 22:50:44 +0000
Subject: [PATCH] Improve.

---
 grading/threads/run-tests | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/grading/threads/run-tests b/grading/threads/run-tests
index a4afa14..75d4a70 100755
--- a/grading/threads/run-tests
+++ b/grading/threads/run-tests
@@ -432,7 +432,7 @@ sub verify_common {
 	    open (A2L, "$A2L -fe output/$test/kernel.o @addrs|");
 	    for (;;) {
 		my ($function, $line);
-		last unless $function = <A2L>;
+		last unless defined ($function = <A2L>);
 		$line = <A2L>;
 		chomp $function;
 		chomp $line;
-- 
2.30.2