there's a simple language hiding inside modern C, but it's hiding really really wellhttps://twitter.com/bmastenbrook/status/725048588053655554 …
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@CopperheadSec@landley@hyc_symas@johnregehr@kssreeram It has no correspondence to anything in past or current versions of the standard. -
@RichFelker@landley@hyc_symas@johnregehr@kssreeram GCC and LLVM did stretch the meaning of the standard to come up with similar rules. -
@RichFelker@landley@hyc_symas@johnregehr@kssreeram This is way less lenient than the implementations they have right now though... -
@CopperheadSec@landley@hyc_symas@johnregehr@kssreeram Indeed. "Provenance" for integers is completely contrary to "pure binary" spec. -
@CopperheadSec@landley@hyc_symas@johnregehr@kssreeram If a program ever observes uintptr_t a==b, (T*)a and (T*)b must be same.
End of conversation
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