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Unknown Unknown
Thu Jan 19 18:21:44 PST 2012

    char memmem ();
    main ()
        return memmem ();
        return 0;

Then the return value of the actual memmem() that should be (void *) I believe
suddenly becomes an int, so that what used to be a valid pointer after the
return is now possibly not a valid pointer on x86_64 if it is truncated and then
sign extended to a negative 64-bit number.  For example, using

    git diff HEAD^ HEAD

produces segmentation fault errors.

So far setting
    NO_MEMMEM = YesPlease
in git's entry for DragonFly in its Makefile does not appear to have solved the

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