+printf '\037\213\010\000\060\060\060\060\060\060\144\000\000\000' > bug33501 \
+ || framework_failure_
+printf '\ngzip: stdin: invalid compressed data--format violated\n' >exp33501 \
+ || framework_failure_
+returns_ 1 gzip -d <bug33501 >out33501 2> err33501 || fail=1
+compare exp33501 err33501 || fail=1
+