Re: About Dead Store in clang Analysis

[Guy Harris <guy () alum mit edu>]

On Mar 24, 2011, at 3:59 PM, John Sullivan wrote:

> (Aside: my attitude to dead stores is that eliminating them is a job
> for the compiler.

It is, and I think at least some (perhaps all) modern compilers will do that already.  However, a dead store could 
either be "this is part of an idiom, and some of the stuff done in the idiom isn't always useful", or it could be 
"somebody made a mistake" (typed the wrong variable name, deleted some code but forgot to delete other code that the 
code removal rendered unnecessary, etc.), so getting dead-store warnings can be useful.
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