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    SubjectRe: [PATCH] C undefined behavior fix
    On Thu, Jan 03, 2002 at 01:19:05AM +0100, jtv wrote:
    > On Wed, Jan 02, 2002 at 04:34:52PM -0700, Tom Rini wrote:
    > > On Thu, Jan 03, 2002 at 01:28:42AM +0200, Momchil Velikov wrote:
    > > >
    > > > GCC thinks exactly what the function does.
    > >
    > > And then optimizes it to something that fails to work in this particular
    > > case.
    >
    > Which it may do with another function *or expression* as well, because
    > the real bug has already happened before the function call comes into
    > the issue.

    What's the bug? The 'funny' arithmetic?

    > As far as I'm concerned the options are: fix RELOC;

    How?

    > obviate RELOC; use
    > an appropriate gcc option if available (-fPIC might be it, -ffreestanding
    > certainly isn't--see above);

    Maybe for 2.5. Too invasive for 2.4.x (initially at least).

    > *extend* (not fix, extend) gcc; or work
    > around all individual cases. In rough descending order of preference.

    Er, say what?

    --
    Tom Rini (TR1265)
    http://gate.crashing.org/~trini/
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