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authorbors <bors@rust-lang.org>2023-06-09 08:52:44 +0000
committerbors <bors@rust-lang.org>2023-06-09 08:52:44 +0000
commit05de7870899f43d67add6c00aec33e23e2d4c09c (patch)
treef418cabf959615a0ccbed4753860c0ef6982431d /compiler/rustc_mir_transform/src/coverage/debug.rs
parent384cf376120f09df7710d2ff39c986144a7b1517 (diff)
parentdd084940de3947b7d095fcbd6d3381f98470c58b (diff)
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Auto merge of #10913 - y21:issue10033, r=Manishearth,Centri3
[`unnecessary_to_owned`]: check that the adjusted type matches target

Fixes #10033.

Before this change, the lint would assume that removing the `.to_string()` in `f(&x.to_string())` would be ok if x is of some type that implements `Deref<Target = str>` and `f` takes a `&str`.
This turns out to not actually be ok if the `to_string` call is some method that exists on `x` directly, which happens if it implements `Display`/`ToString` itself.

changelog: [`unnecessary_to_owned`]: only lint if the adjusted receiver type actually matches
Diffstat (limited to 'compiler/rustc_mir_transform/src/coverage/debug.rs')
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