Re: [PATCH] Use more gcc extensions in the Linux headers

[Andi Kleen]

Rusty Russell <rusty@xxxxxxxxxxxxxxx> writes:

> __builtin_types_compatible_p() has been around since gcc 2.95, and we
> don't use it anywhere.  This patch quietly fixes that.

Using BUILD_BUG_ON_ZERO() would have been somewhat cleaner.

-Andi
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