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Re: [patch] Cleanup: don't call free(NULL) unnecessarily
> I doubt any human can look at the glibc code base and easily point out
> what is or is not a hot-path in some of the more complex functions.
Agreed. I was talking about the general principles we should follow. I
haven't looked at this particular code. Common cases are in error paths,
which are never hot paths. What I imagine could be another common class of
case is conditional-alloca cases where alloca was chosen, which could be