typeck: check for infer before type impls trait #73965
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This commit checks that the target type of the cast (an error related to which is being reported) does not have types to be inferred before checking if it implements the `From` trait. Signed-off-by: David Wood <[email protected]>
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@estebank this is waiting on your review 🙂 |
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@bors r+ |
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📌 Commit bddb266 has been approved by |
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…-slice-cast, r=estebank typeck: check for infer before type impls trait Fixes rust-lang#73886. This PR checks that the target type of the cast (an error related to which is being reported) does not have types to be inferred before checking if it implements the `From` trait. r? @estebank
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…-slice-cast, r=estebank typeck: check for infer before type impls trait Fixes rust-lang#73886. This PR checks that the target type of the cast (an error related to which is being reported) does not have types to be inferred before checking if it implements the `From` trait. r? @estebank
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…arth Rollup of 15 pull requests Successful merges: - rust-lang#71237 (Add Ayu theme to rustdoc) - rust-lang#73720 (Clean up E0704 error explanation) - rust-lang#73866 (Obviate #[allow(improper_ctypes_definitions)]) - rust-lang#73965 (typeck: check for infer before type impls trait) - rust-lang#73986 (add (unchecked) indexing methods to raw (and NonNull) slices) - rust-lang#74173 (Detect tuple struct incorrectly used as struct pat) - rust-lang#74220 (Refactor Windows `parse_prefix`) - rust-lang#74227 (Remove an unwrap in layout computation) - rust-lang#74239 (Update llvm-project to latest origin/rustc/10.0-2020-05-05 commit ) - rust-lang#74257 (don't mark linux kernel module targets as a unix environment) - rust-lang#74270 (typeck: report placeholder type error w/out span) - rust-lang#74296 (Clarify the description for rfind) - rust-lang#74310 (Use `ArrayVec` in `SparseBitSet`.) - rust-lang#74316 (Remove unnecessary type hints from Wake internals) - rust-lang#74324 (Update Clippy) Failed merges: r? @ghost
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Beta-nominating in favor of #74734 (comment). |
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…ulacrum [beta] backports * Forbid non-derefable types explicitly in unsizing casts rust-lang#75136 * forbid `#[track_caller]` on main rust-lang#75130 * Fix #[track_caller] shims for trait objects. rust-lang#74784 * rustc_target: Add a target spec option for disabling `--eh-frame-hdr` rust-lang#74631 * Disable Azure Pipelines except for macOS rust-lang#74620 * Upload builds from GHA instead of Azure Pipelines rust-lang#74565 * Add the aarch64-apple-darwin target rust-lang#74541 * Use `ReEmpty(U0)` as the implicit region bound in typeck rust-lang#74509 * rustbuild: drop tool::should_install rust-lang#74457 * lint: use `transparent_newtype_field` to avoid ICE rust-lang#74340 * Don't panic if the lhs of a div by zero is not statically known rust-lang#74221 * improper_ctypes_definitions: allow `Box` rust-lang#74448 * typeck: check for infer before type impls trait rust-lang#73965
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Fixes #73886.
This PR checks that the target type of the cast (an error related to which is being reported) does not have types to be inferred before checking if it implements the
Fromtrait.r? @estebank