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| author | Ezra Shaw <ezrasure@outlook.com> | 2023-01-02 09:11:36 +1300 |
|---|---|---|
| committer | Ezra Shaw <ezrasure@outlook.com> | 2023-01-02 09:11:36 +1300 |
| commit | 9618f646b314f934fe4ff92d6424255573c65a1c (patch) | |
| tree | 75ab75a8da426eb8a434db6630dcb71d1226618d /compiler/rustc_error_codes | |
| parent | 04b9038610606313cf023e59fc6a0ef4d5d22340 (diff) | |
| download | rust-9618f646b314f934fe4ff92d6424255573c65a1c.tar.gz | |
docs: revert removal of `E0729`
Diffstat (limited to 'compiler/rustc_error_codes')
| -rw-r--r-- | compiler/rustc_error_codes/src/error_codes.rs | 1 | ||||
| -rw-r--r-- | compiler/rustc_error_codes/src/error_codes/E0729.md | 32 |
2 files changed, 33 insertions, 0 deletions
diff --git a/compiler/rustc_error_codes/src/error_codes.rs b/compiler/rustc_error_codes/src/error_codes.rs index 137325e6fab..3fba2cf5749 100644 --- a/compiler/rustc_error_codes/src/error_codes.rs +++ b/compiler/rustc_error_codes/src/error_codes.rs @@ -443,6 +443,7 @@ E0725: include_str!("./error_codes/E0725.md"), E0726: include_str!("./error_codes/E0726.md"), E0727: include_str!("./error_codes/E0727.md"), E0728: include_str!("./error_codes/E0728.md"), +E0729: include_str!("./error_codes/E0729.md"), E0730: include_str!("./error_codes/E0730.md"), E0731: include_str!("./error_codes/E0731.md"), E0732: include_str!("./error_codes/E0732.md"), diff --git a/compiler/rustc_error_codes/src/error_codes/E0729.md b/compiler/rustc_error_codes/src/error_codes/E0729.md new file mode 100644 index 00000000000..3891745b500 --- /dev/null +++ b/compiler/rustc_error_codes/src/error_codes/E0729.md @@ -0,0 +1,32 @@ +#### Note: this error code is no longer emitted by the compiler + +Support for Non-Lexical Lifetimes (NLL) has been included in the Rust compiler +since 1.31, and has been enabled on the 2015 edition since 1.36. The new borrow +checker for NLL uncovered some bugs in the old borrow checker, which in some +cases allowed unsound code to compile, resulting in memory safety issues. + +### What do I do? + +Change your code so the warning does no longer trigger. For backwards +compatibility, this unsound code may still compile (with a warning) right now. +However, at some point in the future, the compiler will no longer accept this +code and will throw a hard error. + +### Shouldn't you fix the old borrow checker? + +The old borrow checker has known soundness issues that are basically impossible +to fix. The new NLL-based borrow checker is the fix. + +### Can I turn these warnings into errors by denying a lint? + +No. + +### When are these warnings going to turn into errors? + +No formal timeline for turning the warnings into errors has been set. See +[GitHub issue 58781](https://github.com/rust-lang/rust/issues/58781) for more +information. + +### Why do I get this message with code that doesn't involve borrowing? + +There are some known bugs that trigger this message. |