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SubjectRe: [BUG] Bad #define, nonportable C, missing {}
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Jan Hudec wrote:-

> AFAIK here the order *IS* defined. + operator is evaluated left to right
> unless operands are known not to have side-efects (in which case it doesn't
> matter). Functions are considered not having side-efects iff they are defined
> with constant atribute.

Nope, the order of evaluation of arithmetic operands is undefined, and is
often different depending upon the optimization setting.

Note that this is a totally separate issue to both precedence and
associativity.

Neil.
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