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Tweak type mismatch caused by break on tail expr - #66101

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rust-lang:masterfrom
estebank:break-tail-e0308
Nov 6, 2019
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Tweak type mismatch caused by break on tail expr#66101
bors merged 1 commit into
rust-lang:masterfrom
estebank:break-tail-e0308

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@estebank

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When break; has a type mismatch because the Destination points at a tail
expression with an obligation flowing from a return type, point at the
return type.

Fix#39968.

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r? @matthewjasper

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@rust-highfiverust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Nov 5, 2019

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r=me with comment addressed in some fashion.

Comment threadsrc/librustc_typeck/check/expr.rs Outdated
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r? @Centril

When `break;` has a type mismatch because the `Destination` points at a tail
expression with an obligation flowing from a return type, point at the
return type.
Fixrust-lang#39968.
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@bors r=Centril

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bors commented Nov 5, 2019

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📌 Commit b0f258b has been approved by Centril

@borsbors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Nov 5, 2019
Centril added a commit to Centril/rust that referenced this pull request Nov 5, 2019
Tweak type mismatch caused by break on tail expr
When `break;` has a type mismatch because the `Destination` points at a tail
expression with an obligation flowing from a return type, point at the
return type.
Fixrust-lang#39968.
@CentrilCentril mentioned this pull request Nov 5, 2019
Centril added a commit to Centril/rust that referenced this pull request Nov 6, 2019
Tweak type mismatch caused by break on tail expr
When `break;` has a type mismatch because the `Destination` points at a tail
expression with an obligation flowing from a return type, point at the
return type.
Fixrust-lang#39968.
@CentrilCentril mentioned this pull request Nov 6, 2019
bors added a commit that referenced this pull request Nov 6, 2019
Rollup of 11 pull requests
Successful merges:
- #65892 (Remove `PartialEq` and `Eq` from the `SpecialDerives`.)
- #66014 (Show type parameter name and definition in type mismatch error messages )
- #66027 (Move has_panic_handler to query)
- #66054 (syntax: Avoid span arithmetic for delimiter tokens)
- #66068 (use silent emitter for rustdoc highlighting pass)
- #66081 (let caller of check_ptr_access_align control the error message)
- #66093 (Do not ICE with a precision flag in formatting str and no format arguments)
- #66098 (Detect `::` -> `:` typo when involving turbofish)
- #66101 (Tweak type mismatch caused by break on tail expr)
- #66106 (Fix typo in explanation of `E0080`)
- #66115 (rustc: remove "GlobalMetaData" dead code from hir::map::definitions.)
Failed merges:
r? @ghost
@bors
bors merged commit b0f258b into rust-lang:masterNov 6, 2019
@estebank
estebank deleted the break-tail-e0308 branch November 9, 2023 05:18
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Specific Error Message or Note for Final Expression being Loop and Return not Unit

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@estebank@rust-highfive@Centril@bors@matthewjasper