Check that closure's by-value captures are sized

2023-09-23 00:26:26 +00:00
parent 2d08657901
commit c21867f9f6
6 changed files with 62 additions and 0 deletions
--- a/compiler/rustc_middle/src/traits/mod.rs
+++ b/compiler/rustc_middle/src/traits/mod.rs
@@ -299,6 +299,8 @@ pub enum ObligationCauseCode<'tcx> {
    SizedYieldType,
    /// Inline asm operand type must be `Sized`.
    InlineAsmSized,
+    /// Captured closure type type must be `Sized`.
+    SizedClosureCapture(LocalDefId),
    /// `[expr; N]` requires `type_of(expr): Copy`.
    RepeatElementCopy {
        /// If element is a `const fn` we display a help message suggesting to move the