Q for the C language experts out there: Is the statement "a = b = a = c = 1;" UD due to "modified twice between sequence points"?
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Replying to @cperciva
afaics yes, and it makes sense, because for `a=b=a=c=256` with `u32 a,c;u8 b;`, lack of sequence points means `a` can be 0 or 256
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(because the result type of an assignment comes from the type of the lvalue)
4:35 PM - 6 Sep 2016
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