diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 9acf500147b..ccf365017ea 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2013-12-09  Richard Sandiford  <rdsandiford@googlemail.com>
+
+	* lib/asan-dg.exp (asan-gtest): Remove expected output from the
+	pass/fail line and add it to the log instead.
+
 2013-12-08  Oleg Endo  <olegendo@gcc.gnu.org>
 
 	PR target/52898
diff --git a/gcc/testsuite/lib/asan-dg.exp b/gcc/testsuite/lib/asan-dg.exp
index 8990677d51e..ca8e8132e6e 100644
--- a/gcc/testsuite/lib/asan-dg.exp
+++ b/gcc/testsuite/lib/asan-dg.exp
@@ -288,9 +288,10 @@ proc asan-gtest { args } {
 		    if { "$status" == "fail" } {
 			pass "$testname execution test"
 			if { ![regexp $regexpr ${output}] } {
-			    fail "$testname output pattern test, should match $regexpr"
+			    fail "$testname output pattern test"
+			    send_log "Output should match: $regexpr\n"
 			} else {
-			    pass "$testname output pattern test, $regexpr"
+			    pass "$testname output pattern test"
 			}
 		    } elseif { "$status" == "pass" } {
 			fail "$testname execution test"