[PATCH] D11948: Add some macros to abstract marking of parameters as "not null", and use them in <cstring>

[Marshall Clow via cfe-commits]

On Wed, Aug 12, 2015 at 4:03 PM, Dan Albert <danalbert at google.com> wrote:

> My testing was varied. I could not get GCC or clang to optimize it away
> for Linux, but both did for ARM Android.
>

Then I don't understand your objection to this change, then.

On your platform, the effect of this change is (therefore) a compile-time
warning when you pass (a constant) NULL to a set of functions that are
documented to require non-null parameters.

-- Marshall
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