http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59589
--- Comment #4 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- On x86_64-apple-darwin10.8, gcc version 4.8.2, with the call system line commented, valgrind gives: ==42524== HEAP SUMMARY: ==42524== in use at exit: 88 bytes in 1 blocks ==42524== total heap usage: 37 allocs, 36 frees, 400,004,301 bytes allocated ==42524== ==42524== LEAK SUMMARY: ==42524== definitely lost: 0 bytes in 0 blocks ==42524== indirectly lost: 0 bytes in 0 blocks ==42524== possibly lost: 0 bytes in 0 blocks ==42524== still reachable: 0 bytes in 0 blocks ==42524== suppressed: 88 bytes in 1 blocks ==42524== ==42524== For counts of detected and suppressed errors, rerun with: -v ==42524== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0) (I don't have valgrind for darwin13).