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    SubjectRe: [PATCH] cleanup on selection.c
    On Fri, Aug 25, 2000 at 10:07:03AM -0700, Linus Torvalds wrote:
    > The copy_from_user_ret() define is both BUGGY and UGLY: it's buggy because
    > it is done as a statement expression even though it's not actually an
    > expression at all.

    In fact, there's been talk about adjusting the definition of statement
    expressions such that you cannot branch into or out of them at all.

    There are a few known cases that currently generate incorrect code that
    involve goto's out of a statement expression used as a function parameter.

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