Messages in this thread | | | Date | Thu, 14 May 2020 14:27:35 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH v5 00/18] Rework READ_ONCE() to improve codegen |
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On Thu, May 14, 2020 at 01:01:04PM +0100, Will Deacon wrote:
> > +#if __has_feature(undefined_sanitizer) > > Hmm, this might want to be __has_feature(undefined_behavior_sanitizer) > (and damn is that hard for a Brit to type out!)
(I know right, it should be behaviour, dammit!)
I tried without the condition, eg.:
+#define __no_sanitize_undefined \ + __attribute__((no_sanitize("undefined")))
and it still generated UBSAN gunk.
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