On May 1, 2012, at 11:16 AM, David Blaikie <[email protected]> wrote:
> Would it be practical for Clang to have a warning that caught this (at > least incrementally) - the assignment inside the conditional is dead - > nothing after it reads CurFile, so it would be nice if we warned. (& > then the user would probably be able to see that the rest of this was > silly too) It's definitely possible. It's a simple flow-sensitive analysis (basically live variables analysis), but it would need to be specially optimized to make it acceptable on the performance front for the frontend.
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