From Bugzilla Helper:
User-Agent: Mozilla/4.73 [en] (X11; U; Linux 2.0.34 i686)

Description of problem:
A function in a shell script returns a value larger than 256.  After
returning, $? is 1 instead of 256.  When returning a value less than
or equal to 256, $? is the correct value.

How reproducible:
Always

Steps to Reproduce:
1. Run the following shell script.

#!/bin/sh

foo() {
    i=257
    return $i
}

foo
echo "foo returned $?"


Actual Results:  The script outputs: foo returned 1

Expected Results:  The script should output: foo returned 257

Additional info: