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| -rw-r--r-- | compiler/rustc_lint_defs/src/builtin.rs | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs index 3dfc2d026bd..7ab610ab970 100644 --- a/compiler/rustc_lint_defs/src/builtin.rs +++ b/compiler/rustc_lint_defs/src/builtin.rs @@ -2819,10 +2819,18 @@ declare_lint! { /// } /// ``` /// + /// ### Explanation + /// + /// In the 1.77 release, the const evaluation machinery adopted some + /// stricter rules to reject expressions with values that could + /// end up holding mutable references to state stored in static memory + /// (which is inherently immutable). + /// /// This is a [future-incompatible] lint to ease the transition to an error. /// See [issue #122153] for more details. /// /// [issue #122153]: https://github.com/rust-lang/rust/issues/122153 + /// [future-incompatible]: ../index.md#future-incompatible-lints pub CONST_EVAL_MUTABLE_PTR_IN_FINAL_VALUE, Warn, "detects a mutable pointer that has leaked into final value of a const expression", |