diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index 2460756ae5..6bc218542c 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,3 +1,8 @@
+2000-07-17  Hans-Peter Nilsson  <hp@axis.com>
+
+	* testsuite/regress-demangle (failed test): Show result and
+	expected output.
+
 2000-07-07  Andrew Haley  <aph@cygnus.com>
 
 	* cplus-dem.c (main): fflush() after emitting last char before
diff --git a/libiberty/testsuite/regress-demangle b/libiberty/testsuite/regress-demangle
index bd48ce9013..1086762dbb 100755
--- a/libiberty/testsuite/regress-demangle
+++ b/libiberty/testsuite/regress-demangle
@@ -15,6 +15,8 @@ sed -e '/^#/ d' "$1" | (
      if test "x$x" != "x$demangled"; then
 	failures=`expr $failures + 1`
 	echo "FAIL: $type $mangled"
+	echo "   result: $x"
+	echo " expected: $demangled"
      fi
   done