Supply exit arg for both invocations of exit.

tests/sample-test

@@ -14,7 +14,7 @@ fi
 pwd=`pwd`
 t0=`echo "$0"|sed 's,.*/,,'`.tmp; tmp=$t0/$$
 trap 'status=$?; cd $pwd; chmod -R u+rwx $t0; rm -rf $t0 && exit $status' 0
-trap '(exit $?); exit' 1 2 13 15
+trap '(exit $?); exit $?' 1 2 13 15
 
 framework_failure=0
 mkdir -p $tmp || framework_failure=1
@@ -22,7 +22,7 @@ cd $tmp || framework_failure=1
 
 if test $framework_failure = 1; then
   echo '$0: failure in testing framework' 1>&2
-  (exit 1); exit
+  (exit 1); exit 1
 fi
 
 fail=0
@@ -35,4 +35,4 @@ EOF
 cmp out exp || fail=1
 test $fail = 1 && diff out exp 2> /dev/null
 
-(exit $fail); exit
+(exit $fail); exit $fail