I'd say the most likely explanation is indeed shimms' and hofer's conjecture, i.e., that it has not been initialized. There is no serious compiler that will not follow the left-to-right rule, that's a fairly integral part of the C++ specification, which is used a lot (it's used throughout the HL SDK, for example), and certainly they all follow the correct precedence rules.
Persuter --
I think it can depend on whether the compiler would use 'full' boolean logic (where all of a statement is evaluated, even if it's something simple like 1 && 0), or 'short circuit' (where the code will not evaluate further if it's obvious what the result will be, like 0 || 0) logic... I know Delphi (Object Pascal) can use either one, I'm sure C++ ones can too.
As for sticking to a standard, since when has MS started doing that?
Siiiiigh...
C++ uses lazy ("short circuit"), left-to-right evaluation. All serious C++
compilers follow that. Seriously, I can't believe none of you have noticed
this, it is used quite a bit in the HL SDK.By the way, 0 || 0 is not amenable to short circuit evaluation, since the first one is not true. I think you meant 0 && 0. And obviously if you actually put 1 || 0 the compiler will go ahead and evaluate that at compile-time to true.
Persuter
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