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authorbors <bors@rust-lang.org>2022-09-10 09:50:21 +0000
committerbors <bors@rust-lang.org>2022-09-10 09:50:21 +0000
commit16ed1913622e5c10ce7630a2dc23ab6010a02197 (patch)
tree8c8cd3c6cbe0a5797927b6dc16dad9ce68cfe963 /tests/mir-opt/lower_array_len.array_bound_mut.NormalizeArrayLen.diff
parent944a142bfae7ee0d10cb12e9c3383b05e311f57e (diff)
parent931c07c94f5e6d2e24c08a1c4941612aab69872a (diff)
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Auto merge of #101483 - oli-obk:guaranteed_opt, r=fee1-dead
The `<*const T>::guaranteed_*` methods now return an option for the unknown case

cc https://github.com/rust-lang/rust/issues/53020#issuecomment-1236932443

I chose `0` for "not equal" and `1` for "equal" and left `2` for the unknown case so backends can just forward to raw pointer equality and it works ✨

r? `@fee1-dead` or `@lcnr`

cc `@rust-lang/wg-const-eval`
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