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authorMichael Goulet <michael@errs.io>2024-03-24 12:23:36 -0400
committerMichael Goulet <michael@errs.io>2024-03-27 10:08:14 -0400
commit2fe936f17d86fa1c8bcf96844888ccf740cf3d89 (patch)
tree1b86b471ba83fb0f63849400634a9012f11ffa99 /compiler/rustc_middle/src/traits
parent10a7aa14fed9b528b74b0f098c4899c37c09a9c7 (diff)
downloadrust-2fe936f17d86fa1c8bcf96844888ccf740cf3d89.tar.gz
rust-2fe936f17d86fa1c8bcf96844888ccf740cf3d89.zip
Stop doing expensive work in opt_suggest_box_span eagerly
Diffstat (limited to 'compiler/rustc_middle/src/traits')
-rw-r--r--compiler/rustc_middle/src/traits/mod.rs6
1 files changed, 4 insertions, 2 deletions
diff --git a/compiler/rustc_middle/src/traits/mod.rs b/compiler/rustc_middle/src/traits/mod.rs
index a04bd636622..efea2a66bb2 100644
--- a/compiler/rustc_middle/src/traits/mod.rs
+++ b/compiler/rustc_middle/src/traits/mod.rs
@@ -571,7 +571,8 @@ pub struct MatchExpressionArmCause<'tcx> {
     pub scrut_span: Span,
     pub source: hir::MatchSource,
     pub prior_non_diverging_arms: Vec<Span>,
-    pub opt_suggest_box_span: Option<Span>,
+    // Is the expectation of this match expression an RPIT?
+    pub tail_defines_return_position_impl_trait: Option<LocalDefId>,
 }
 
 #[derive(Copy, Clone, Debug, PartialEq, Eq)]
@@ -582,7 +583,8 @@ pub struct IfExpressionCause<'tcx> {
     pub then_ty: Ty<'tcx>,
     pub else_ty: Ty<'tcx>,
     pub outer_span: Option<Span>,
-    pub opt_suggest_box_span: Option<Span>,
+    // Is the expectation of this match expression an RPIT?
+    pub tail_defines_return_position_impl_trait: Option<LocalDefId>,
 }
 
 #[derive(Clone, Debug, PartialEq, Eq, HashStable, TyEncodable, TyDecodable)]