bors 4d0dd02ee0 Auto merge of #80579 - RalfJung:no-fallible-promotion, r=oli-obk ... avoid promoting division, modulo and indexing operations that could fail For division, `x / y` will still be promoted if `y` is a non-zero integer literal; however, `1/(1+1)` will not be promoted any more. While at it, also see if we can reject promoting floating-point arithmetic (which are [complicated](https://github.com/rust-lang/unsafe-code-guidelines/issues/237) so maybe we should not promote them). This will need a crater run to see if there's code out there that relies on these things being promoted. If we can land this, promoteds in `fn`/`const fn` cannot fail to evaluate any more, which should let us do some simplifications in codegen/Miri! Cc https://github.com/rust-lang/rfcs/pull/3027 Fixes https://github.com/rust-lang/rust/issues/61821 r? `@oli-obk`		2021-01-23 13:19:04 +00:00
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src	Auto merge of #80579 - RalfJung:no-fallible-promotion, r=oli-obk	2021-01-23 13:19:04 +00:00
Cargo.toml	Auto merge of #78399 - vn-ki:gsgdt-graphviz, r=oli-obk	2020-12-15 22:00:02 +00:00