5 files changed, 13 insertions, 3 deletions
diff --git a/compiler/rustc_monomorphize/src/collector.rs b/compiler/rustc_monomorphize/src/collector.rs
index 4b435649216..9487692662b 100644
--- a/compiler/rustc_monomorphize/src/collector.rs
+++ b/compiler/rustc_monomorphize/src/collector.rs
@@ -236,6 +236,7 @@ use rustc_span::symbol::{sym, Ident};
 use rustc_span::{Span, DUMMY_SP};
 use rustc_target::abi::Size;
 use std::path::PathBuf;
+use tracing::{debug, instrument, trace};
 
 use crate::errors::{
     self, EncounteredErrorWhileInstantiating, NoOptimizedMir, RecursionLimit, TypeLengthLimit,
@@ -1433,6 +1434,15 @@ impl<'v> RootCollector<'_, 'v> {
                 {
                     debug!("RootCollector: ADT drop-glue for `{id:?}`",);
 
+                    // This type is impossible to instantiate, so we should not try to
+                    // generate a `drop_in_place` instance for it.
+                    if self.tcx.instantiate_and_check_impossible_predicates((
+                        id.owner_id.to_def_id(),
+                        ty::List::empty(),
+                    )) {
+                        return;
+                    }
+
                     let ty = self.tcx.type_of(id.owner_id.to_def_id()).no_bound_vars().unwrap();
                     visit_drop_use(self.tcx, ty, true, DUMMY_SP, self.output);
                 }
diff --git a/compiler/rustc_monomorphize/src/collector/move_check.rs b/compiler/rustc_monomorphize/src/collector/move_check.rs
index 4cc7275ab80..851f86e86b8 100644
--- a/compiler/rustc_monomorphize/src/collector/move_check.rs
+++ b/compiler/rustc_monomorphize/src/collector/move_check.rs
@@ -1,4 +1,5 @@
 use rustc_session::lint::builtin::LARGE_ASSIGNMENTS;
+use tracing::debug;
 
 use super::*;
 use crate::errors::LargeAssignmentsLint;
diff --git a/compiler/rustc_monomorphize/src/lib.rs b/compiler/rustc_monomorphize/src/lib.rs
index ddfb42a6f4a..b298fe5813f 100644
--- a/compiler/rustc_monomorphize/src/lib.rs
+++ b/compiler/rustc_monomorphize/src/lib.rs
@@ -2,9 +2,6 @@
 #![feature(is_sorted)]
 #![allow(rustc::potential_query_instability)]
 
-#[macro_use]
-extern crate tracing;
-
 use rustc_hir::lang_items::LangItem;
 use rustc_middle::bug;
 use rustc_middle::query::{Providers, TyCtxtAt};
diff --git a/compiler/rustc_monomorphize/src/partitioning.rs b/compiler/rustc_monomorphize/src/partitioning.rs
index 8f7b4c6472c..21d52004728 100644
--- a/compiler/rustc_monomorphize/src/partitioning.rs
+++ b/compiler/rustc_monomorphize/src/partitioning.rs
@@ -116,6 +116,7 @@ use rustc_middle::ty::{self, visit::TypeVisitableExt, InstanceDef, TyCtxt};
 use rustc_session::config::{DumpMonoStatsFormat, SwitchWithOptPath};
 use rustc_session::CodegenUnits;
 use rustc_span::symbol::Symbol;
+use tracing::debug;
 
 use crate::collector::UsageMap;
 use crate::collector::{self, MonoItemCollectionStrategy};
diff --git a/compiler/rustc_monomorphize/src/polymorphize.rs b/compiler/rustc_monomorphize/src/polymorphize.rs
index 14ebe27ac23..dc13766d145 100644
--- a/compiler/rustc_monomorphize/src/polymorphize.rs
+++ b/compiler/rustc_monomorphize/src/polymorphize.rs
@@ -18,6 +18,7 @@ use rustc_middle::ty::{
     GenericArgsRef, Ty, TyCtxt, UnusedGenericParams,
 };
 use rustc_span::symbol::sym;
+use tracing::{debug, instrument};
 
 use crate::errors::UnusedGenericParamsHint;