Provide suggestion to convert numeric op LHS rather than unwrapping RHS#73195
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bors merged 2 commits intorust-lang:masterfrom Jun 12, 2020
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Provide suggestion to convert numeric op LHS rather than unwrapping RHS#73195bors merged 2 commits intorust-lang:masterfrom
bors merged 2 commits intorust-lang:masterfrom
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Given a code
```rust
fn foo(x: u8, y: u32) -> bool {
x > y
}
fn main() {}
```
it could be more helpful to provide a suggestion to do "u32::from(x)"
rather than "y.try_into().unwrap()", since the latter may panic.
We do this by passing the LHS of a binary expression up the stack into
the coercion checker.
Closes rust-lang#73145
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Rollup of 7 pull requests Successful merges: - rust-lang#73033 (Fix #[thread_local] statics as asm! sym operands) - rust-lang#73036 (std: Enable atomic.fence emission on wasm32) - rust-lang#73163 (Add long error explanation for E0724) - rust-lang#73187 (Remove missed `cfg(bootstrap)`) - rust-lang#73195 (Provide suggestion to convert numeric op LHS rather than unwrapping RHS) - rust-lang#73247 (Add various Zulip notifications for prioritization) - rust-lang#73254 (Add comment about LocalDefId -> DefId) Failed merges: r? @ghost
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Given a code
it could be more helpful to provide a suggestion to do "u32::from(x)"
rather than "y.try_into().unwrap()", since the latter may panic.
We do this by passing the LHS of a binary expression up the stack into
the coercion checker.
Closes #73145