On Wed, 11 Nov 2020, David Michael wrote:
There are two issues:
The unused global integer does not make it into the compiled object
file, so declare it static to correct this.
Umm, what? That sounds entirely counterintuitive to me.
If the global integer is non-static, it could be referred to by another
object file, so the compiler cannot omit it from the generated object
file. On the other side, if the variable is static, the compiler has full
visibility over any possible use, and sees that nothing in the same object
file refers to it, and thus can omit it if it's unused.
// Martin
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