bug in gmp-4.2.1

[Virgil Anderson]

gmp-4.2.1 downloaded from ftp.gnu.org/gnu/gmp
make check
make[4]: Entering directory `/mnt/*...*/gmp/build/tests/mpz'
PASS: t-addsub
PASS: t-cmp
ERROR: incorrect plain product in test 54
op1          = -FFFFFFFFFFFFFFFFFFFFFFFFF...0000000000000000000000000
[173061]
op2          = -7FFFFFFFFFFFFFFFFFFFFFFFF...0000000000000000000000000
[223365]
    product  = FF3FFF80003FFE0000BFFFFFF...000BFFF00007FFFBFFF880180
[396432]
ref_product  = 7FFFFFFFFFFFFFFFFFFFFFFFF...0000000000000000000000000
[396426]
/bin/sh: line 4: 23756 Aborted                 ${dir}$tst
FAIL: t-mul

This was previously sent to gmp-bugs along with full output from make
check + config.log
gnu/guile seems to use your package, and also fails a similar "make
check" test.
Thanks,
Virgil Anderson