improve diagnostics for const eval query overflow

1 files changed, 5 insertions, 7 deletions

diff --git a/compiler/rustc_query_impl/src/plumbing.rs b/compiler/rustc_query_impl/src/plumbing.rs
index 1b12af62ea5..a74457a8118 100644
--- a/compiler/rustc_query_impl/src/plumbing.rs
+++ b/compiler/rustc_query_impl/src/plumbing.rs
@@ -27,7 +27,7 @@ use rustc_query_system::query::{
     QueryCache, QueryConfig, QueryContext, QueryJobId, QueryMap, QuerySideEffects, QueryStackFrame,
     force_query,
 };
-use rustc_query_system::{LayoutOfDepth, QueryOverflow};
+use rustc_query_system::{QueryOverflow, QueryOverflowNote};
 use rustc_serialize::{Decodable, Encodable};
 use rustc_session::Limit;
 use rustc_span::def_id::LOCAL_CRATE;
@@ -154,12 +154,10 @@ impl QueryContext for QueryCtxt<'_> {
 
     fn depth_limit_error(self, job: QueryJobId) {
         let mut span = None;
-        let mut layout_of_depth = None;
-        if let Some((info, depth)) =
-            job.try_find_layout_root(self.collect_active_jobs(), dep_kinds::layout_of)
-        {
+        let mut note = None;
+        if let Some((info, depth)) = job.try_find_dep_kind_root(self.collect_active_jobs()) {
             span = Some(info.job.span);
-            layout_of_depth = Some(LayoutOfDepth { desc: info.query.description, depth });
+            note = Some(QueryOverflowNote { desc: info.query.description, depth });
         }
 
         let suggested_limit = match self.recursion_limit() {
@@ -169,7 +167,7 @@ impl QueryContext for QueryCtxt<'_> {
 
         self.sess.dcx().emit_fatal(QueryOverflow {
             span,
-            layout_of_depth,
+            note,
             suggested_limit,
             crate_name: self.crate_name(LOCAL_CRATE),
         });