> Absolutely true. > But I got a subtle compiler message about a very very simple and short > piece of code.
how is the compiler supposed to determine if the code in question is short and simple? > > in your case, you can either provide a dummy assignment > > or use SET(var) to inform 8c that it can forget about that > > warning. > > > I didn't know SET(var) so I used a dummy assignment, as you can see in > my original mail. > Both seems to me a medicine worst than the disease. Personal opinion, of > course. on the other hand, if you've been following along at home with linux development, you'll remember that a week or so ago a really smart compiler screwed everybody over by optimizing away a test for null because clearly that couldn't happen. http://lwn.net/Articles/342330/ http://lwn.net/Articles/342420/ (this problem is also demonstrates one reason mixing asignments and declarations is bad practice.) - erik
