diff --git a/library/core/src/intrinsics.rs b/library/core/src/intrinsics.rs
index 634ed87b091..dc73e1b34e0 100644
--- a/library/core/src/intrinsics.rs
+++ b/library/core/src/intrinsics.rs
@@ -65,9 +65,13 @@ use crate::sync::atomic::{self, AtomicBool, AtomicI32, AtomicIsize, AtomicU32, O
 #[stable(feature = "drop_in_place", since = "1.8.0")]
 #[rustc_deprecated(
     reason = "no longer an intrinsic - use `ptr::drop_in_place` directly",
-    since = "1.18.0"
+    since = "1.52.0"
 )]
-pub use crate::ptr::drop_in_place;
+#[inline]
+pub unsafe fn drop_in_place<T: ?Sized>(to_drop: *mut T) {
+    // SAFETY: see `ptr::drop_in_place`
+    unsafe { crate::ptr::drop_in_place(to_drop) }
+}
 
 extern "rust-intrinsic" {
     // N.B., these intrinsics take raw pointers because they mutate aliased
diff --git a/library/std/src/collections/mod.rs b/library/std/src/collections/mod.rs
index 80a13d52a2a..7f8f9c991fe 100644
--- a/library/std/src/collections/mod.rs
+++ b/library/std/src/collections/mod.rs
@@ -401,9 +401,10 @@
 #![stable(feature = "rust1", since = "1.0.0")]
 
 #[stable(feature = "rust1", since = "1.0.0")]
-#[rustc_deprecated(reason = "moved to `std::ops::Bound`", since = "1.26.0")]
+#[rustc_deprecated(reason = "moved to `std::ops::Bound`", since = "1.52.0")]
 #[doc(hidden)]
-pub use crate::ops::Bound;
+pub type Bound<T> = crate::ops::Bound<T>;
+
 #[stable(feature = "rust1", since = "1.0.0")]
 pub use alloc_crate::collections::{binary_heap, btree_map, btree_set};
 #[stable(feature = "rust1", since = "1.0.0")]
diff --git a/src/test/codegen-units/item-collection/drop_in_place_intrinsic.rs b/src/test/codegen-units/item-collection/drop_in_place_intrinsic.rs
index adde5745feb..f58117f44d8 100644
--- a/src/test/codegen-units/item-collection/drop_in_place_intrinsic.rs
+++ b/src/test/codegen-units/item-collection/drop_in_place_intrinsic.rs
@@ -4,7 +4,7 @@
 
 #![feature(start)]
 
-//~ MONO_ITEM fn std::intrinsics::drop_in_place::<StructWithDtor> - shim(Some(StructWithDtor)) @@ drop_in_place_intrinsic-cgu.0[Internal]
+//~ MONO_ITEM fn std::ptr::drop_in_place::<StructWithDtor> - shim(Some(StructWithDtor)) @@ drop_in_place_intrinsic-cgu.0[Internal]
 struct StructWithDtor(u32);
 
 impl Drop for StructWithDtor {
@@ -16,7 +16,7 @@ impl Drop for StructWithDtor {
 #[start]
 fn start(_: isize, _: *const *const u8) -> isize {
 
-    //~ MONO_ITEM fn std::intrinsics::drop_in_place::<[StructWithDtor; 2]> - shim(Some([StructWithDtor; 2])) @@ drop_in_place_intrinsic-cgu.0[Internal]
+    //~ MONO_ITEM fn std::ptr::drop_in_place::<[StructWithDtor; 2]> - shim(Some([StructWithDtor; 2])) @@ drop_in_place_intrinsic-cgu.0[Internal]
     let x = [StructWithDtor(0), StructWithDtor(1)];
 
     drop_slice_in_place(&x);
@@ -30,7 +30,7 @@ fn drop_slice_in_place(x: &[StructWithDtor]) {
         // This is the interesting thing in this test case: Normally we would
         // not have drop-glue for the unsized [StructWithDtor]. This has to be
         // generated though when the drop_in_place() intrinsic is used.
-        //~ MONO_ITEM fn std::intrinsics::drop_in_place::<[StructWithDtor]> - shim(Some([StructWithDtor])) @@ drop_in_place_intrinsic-cgu.0[Internal]
-        ::std::intrinsics::drop_in_place(x as *const _ as *mut [StructWithDtor]);
+        //~ MONO_ITEM fn std::ptr::drop_in_place::<[StructWithDtor]> - shim(Some([StructWithDtor])) @@ drop_in_place_intrinsic-cgu.0[Internal]
+        ::std::ptr::drop_in_place(x as *const _ as *mut [StructWithDtor]);
     }
 }
diff --git a/src/test/codegen-units/item-collection/generic-drop-glue.rs b/src/test/codegen-units/item-collection/generic-drop-glue.rs
index 45e4a0d6d76..948098b0cbc 100644
--- a/src/test/codegen-units/item-collection/generic-drop-glue.rs
+++ b/src/test/codegen-units/item-collection/generic-drop-glue.rs
@@ -37,7 +37,7 @@ enum EnumNoDrop<T1, T2> {
 struct NonGenericNoDrop(i32);
 
 struct NonGenericWithDrop(i32);
-//~ MONO_ITEM fn std::intrinsics::drop_in_place::<NonGenericWithDrop> - shim(Some(NonGenericWithDrop)) @@ generic_drop_glue-cgu.0[Internal]
+//~ MONO_ITEM fn std::ptr::drop_in_place::<NonGenericWithDrop> - shim(Some(NonGenericWithDrop)) @@ generic_drop_glue-cgu.0[Internal]
 
 impl Drop for NonGenericWithDrop {
     //~ MONO_ITEM fn <NonGenericWithDrop as std::ops::Drop>::drop
@@ -47,11 +47,11 @@ impl Drop for NonGenericWithDrop {
 //~ MONO_ITEM fn start
 #[start]
 fn start(_: isize, _: *const *const u8) -> isize {
-    //~ MONO_ITEM fn std::intrinsics::drop_in_place::<StructWithDrop<i8, char>> - shim(Some(StructWithDrop<i8, char>)) @@ generic_drop_glue-cgu.0[Internal]
+    //~ MONO_ITEM fn std::ptr::drop_in_place::<StructWithDrop<i8, char>> - shim(Some(StructWithDrop<i8, char>)) @@ generic_drop_glue-cgu.0[Internal]
     //~ MONO_ITEM fn <StructWithDrop<i8, char> as std::ops::Drop>::drop
     let _ = StructWithDrop { x: 0i8, y: 'a' }.x;
 
-    //~ MONO_ITEM fn std::intrinsics::drop_in_place::<StructWithDrop<&str, NonGenericNoDrop>> - shim(Some(StructWithDrop<&str, NonGenericNoDrop>)) @@ generic_drop_glue-cgu.0[Internal]
+    //~ MONO_ITEM fn std::ptr::drop_in_place::<StructWithDrop<&str, NonGenericNoDrop>> - shim(Some(StructWithDrop<&str, NonGenericNoDrop>)) @@ generic_drop_glue-cgu.0[Internal]
     //~ MONO_ITEM fn <StructWithDrop<&str, NonGenericNoDrop> as std::ops::Drop>::drop
     let _ = StructWithDrop { x: "&str", y: NonGenericNoDrop(0) }.y;
 
@@ -60,17 +60,17 @@ fn start(_: isize, _: *const *const u8) -> isize {
 
     // This is supposed to generate drop-glue because it contains a field that
     // needs to be dropped.
-    //~ MONO_ITEM fn std::intrinsics::drop_in_place::<StructNoDrop<NonGenericWithDrop, f64>> - shim(Some(StructNoDrop<NonGenericWithDrop, f64>)) @@ generic_drop_glue-cgu.0[Internal]
+    //~ MONO_ITEM fn std::ptr::drop_in_place::<StructNoDrop<NonGenericWithDrop, f64>> - shim(Some(StructNoDrop<NonGenericWithDrop, f64>)) @@ generic_drop_glue-cgu.0[Internal]
     let _ = StructNoDrop { x: NonGenericWithDrop(0), y: 0f64 }.y;
 
-    //~ MONO_ITEM fn std::intrinsics::drop_in_place::<EnumWithDrop<i32, i64>> - shim(Some(EnumWithDrop<i32, i64>)) @@ generic_drop_glue-cgu.0[Internal]
+    //~ MONO_ITEM fn std::ptr::drop_in_place::<EnumWithDrop<i32, i64>> - shim(Some(EnumWithDrop<i32, i64>)) @@ generic_drop_glue-cgu.0[Internal]
     //~ MONO_ITEM fn <EnumWithDrop<i32, i64> as std::ops::Drop>::drop
     let _ = match EnumWithDrop::A::<i32, i64>(0) {
         EnumWithDrop::A(x) => x,
         EnumWithDrop::B(x) => x as i32
     };
 
-    //~ MONO_ITEM fn std::intrinsics::drop_in_place::<EnumWithDrop<f64, f32>> - shim(Some(EnumWithDrop<f64, f32>)) @@ generic_drop_glue-cgu.0[Internal]
+    //~ MONO_ITEM fn std::ptr::drop_in_place::<EnumWithDrop<f64, f32>> - shim(Some(EnumWithDrop<f64, f32>)) @@ generic_drop_glue-cgu.0[Internal]
     //~ MONO_ITEM fn <EnumWithDrop<f64, f32> as std::ops::Drop>::drop
     let _ = match EnumWithDrop::B::<f64, f32>(1.0) {
         EnumWithDrop::A(x) => x,
diff --git a/src/test/codegen-units/item-collection/instantiation-through-vtable.rs b/src/test/codegen-units/item-collection/instantiation-through-vtable.rs
index ce6757a047c..919c43738fb 100644
--- a/src/test/codegen-units/item-collection/instantiation-through-vtable.rs
+++ b/src/test/codegen-units/item-collection/instantiation-through-vtable.rs
@@ -23,13 +23,13 @@ impl<T> Trait for Struct<T> {
 fn start(_: isize, _: *const *const u8) -> isize {
     let s1 = Struct { _a: 0u32 };
 
-    //~ MONO_ITEM fn std::intrinsics::drop_in_place::<Struct<u32>> - shim(None) @@ instantiation_through_vtable-cgu.0[Internal]
+    //~ MONO_ITEM fn std::ptr::drop_in_place::<Struct<u32>> - shim(None) @@ instantiation_through_vtable-cgu.0[Internal]
     //~ MONO_ITEM fn <Struct<u32> as Trait>::foo
     //~ MONO_ITEM fn <Struct<u32> as Trait>::bar
     let _ = &s1 as &Trait;
 
     let s1 = Struct { _a: 0u64 };
-    //~ MONO_ITEM fn std::intrinsics::drop_in_place::<Struct<u64>> - shim(None) @@ instantiation_through_vtable-cgu.0[Internal]
+    //~ MONO_ITEM fn std::ptr::drop_in_place::<Struct<u64>> - shim(None) @@ instantiation_through_vtable-cgu.0[Internal]
     //~ MONO_ITEM fn <Struct<u64> as Trait>::foo
     //~ MONO_ITEM fn <Struct<u64> as Trait>::bar
     let _ = &s1 as &Trait;
diff --git a/src/test/codegen-units/item-collection/non-generic-drop-glue.rs b/src/test/codegen-units/item-collection/non-generic-drop-glue.rs
index b5837716814..720421d3e0f 100644
--- a/src/test/codegen-units/item-collection/non-generic-drop-glue.rs
+++ b/src/test/codegen-units/item-collection/non-generic-drop-glue.rs
@@ -5,7 +5,7 @@
 #![deny(dead_code)]
 #![feature(start)]
 
-//~ MONO_ITEM fn std::intrinsics::drop_in_place::<StructWithDrop> - shim(Some(StructWithDrop)) @@ non_generic_drop_glue-cgu.0[Internal]
+//~ MONO_ITEM fn std::ptr::drop_in_place::<StructWithDrop> - shim(Some(StructWithDrop)) @@ non_generic_drop_glue-cgu.0[Internal]
 struct StructWithDrop {
     x: i32
 }
@@ -19,7 +19,7 @@ struct StructNoDrop {
     x: i32
 }
 
-//~ MONO_ITEM fn std::intrinsics::drop_in_place::<EnumWithDrop> - shim(Some(EnumWithDrop)) @@ non_generic_drop_glue-cgu.0[Internal]
+//~ MONO_ITEM fn std::ptr::drop_in_place::<EnumWithDrop> - shim(Some(EnumWithDrop)) @@ non_generic_drop_glue-cgu.0[Internal]
 enum EnumWithDrop {
     A(i32)
 }
diff --git a/src/test/codegen-units/item-collection/transitive-drop-glue.rs b/src/test/codegen-units/item-collection/transitive-drop-glue.rs
index c0489a6a259..2ec572b4373 100644
--- a/src/test/codegen-units/item-collection/transitive-drop-glue.rs
+++ b/src/test/codegen-units/item-collection/transitive-drop-glue.rs
@@ -5,11 +5,11 @@
 #![deny(dead_code)]
 #![feature(start)]
 
-//~ MONO_ITEM fn std::intrinsics::drop_in_place::<Root> - shim(Some(Root)) @@ transitive_drop_glue-cgu.0[Internal]
+//~ MONO_ITEM fn std::ptr::drop_in_place::<Root> - shim(Some(Root)) @@ transitive_drop_glue-cgu.0[Internal]
 struct Root(Intermediate);
-//~ MONO_ITEM fn std::intrinsics::drop_in_place::<Intermediate> - shim(Some(Intermediate)) @@ transitive_drop_glue-cgu.0[Internal]
+//~ MONO_ITEM fn std::ptr::drop_in_place::<Intermediate> - shim(Some(Intermediate)) @@ transitive_drop_glue-cgu.0[Internal]
 struct Intermediate(Leaf);
-//~ MONO_ITEM fn std::intrinsics::drop_in_place::<Leaf> - shim(Some(Leaf)) @@ transitive_drop_glue-cgu.0[Internal]
+//~ MONO_ITEM fn std::ptr::drop_in_place::<Leaf> - shim(Some(Leaf)) @@ transitive_drop_glue-cgu.0[Internal]
 struct Leaf;
 
 impl Drop for Leaf {
@@ -30,15 +30,15 @@ impl<T> Drop for LeafGen<T> {
 fn start(_: isize, _: *const *const u8) -> isize {
     let _ = Root(Intermediate(Leaf));
 
-    //~ MONO_ITEM fn std::intrinsics::drop_in_place::<RootGen<u32>> - shim(Some(RootGen<u32>)) @@ transitive_drop_glue-cgu.0[Internal]
-    //~ MONO_ITEM fn std::intrinsics::drop_in_place::<IntermediateGen<u32>> - shim(Some(IntermediateGen<u32>)) @@ transitive_drop_glue-cgu.0[Internal]
-    //~ MONO_ITEM fn std::intrinsics::drop_in_place::<LeafGen<u32>> - shim(Some(LeafGen<u32>)) @@ transitive_drop_glue-cgu.0[Internal]
+    //~ MONO_ITEM fn std::ptr::drop_in_place::<RootGen<u32>> - shim(Some(RootGen<u32>)) @@ transitive_drop_glue-cgu.0[Internal]
+    //~ MONO_ITEM fn std::ptr::drop_in_place::<IntermediateGen<u32>> - shim(Some(IntermediateGen<u32>)) @@ transitive_drop_glue-cgu.0[Internal]
+    //~ MONO_ITEM fn std::ptr::drop_in_place::<LeafGen<u32>> - shim(Some(LeafGen<u32>)) @@ transitive_drop_glue-cgu.0[Internal]
     //~ MONO_ITEM fn <LeafGen<u32> as std::ops::Drop>::drop
     let _ = RootGen(IntermediateGen(LeafGen(0u32)));
 
-    //~ MONO_ITEM fn std::intrinsics::drop_in_place::<RootGen<i16>> - shim(Some(RootGen<i16>)) @@ transitive_drop_glue-cgu.0[Internal]
-    //~ MONO_ITEM fn std::intrinsics::drop_in_place::<IntermediateGen<i16>> - shim(Some(IntermediateGen<i16>)) @@ transitive_drop_glue-cgu.0[Internal]
-    //~ MONO_ITEM fn std::intrinsics::drop_in_place::<LeafGen<i16>> - shim(Some(LeafGen<i16>)) @@ transitive_drop_glue-cgu.0[Internal]
+    //~ MONO_ITEM fn std::ptr::drop_in_place::<RootGen<i16>> - shim(Some(RootGen<i16>)) @@ transitive_drop_glue-cgu.0[Internal]
+    //~ MONO_ITEM fn std::ptr::drop_in_place::<IntermediateGen<i16>> - shim(Some(IntermediateGen<i16>)) @@ transitive_drop_glue-cgu.0[Internal]
+    //~ MONO_ITEM fn std::ptr::drop_in_place::<LeafGen<i16>> - shim(Some(LeafGen<i16>)) @@ transitive_drop_glue-cgu.0[Internal]
     //~ MONO_ITEM fn <LeafGen<i16> as std::ops::Drop>::drop
     let _ = RootGen(IntermediateGen(LeafGen(0i16)));
 
diff --git a/src/test/codegen-units/item-collection/tuple-drop-glue.rs b/src/test/codegen-units/item-collection/tuple-drop-glue.rs
index d34835ae691..232570779c8 100644
--- a/src/test/codegen-units/item-collection/tuple-drop-glue.rs
+++ b/src/test/codegen-units/item-collection/tuple-drop-glue.rs
@@ -5,7 +5,7 @@
 #![deny(dead_code)]
 #![feature(start)]
 
-//~ MONO_ITEM fn std::intrinsics::drop_in_place::<Dropped> - shim(Some(Dropped)) @@ tuple_drop_glue-cgu.0[Internal]
+//~ MONO_ITEM fn std::ptr::drop_in_place::<Dropped> - shim(Some(Dropped)) @@ tuple_drop_glue-cgu.0[Internal]
 struct Dropped;
 
 impl Drop for Dropped {
@@ -16,11 +16,11 @@ impl Drop for Dropped {
 //~ MONO_ITEM fn start
 #[start]
 fn start(_: isize, _: *const *const u8) -> isize {
-    //~ MONO_ITEM fn std::intrinsics::drop_in_place::<(u32, Dropped)> - shim(Some((u32, Dropped))) @@ tuple_drop_glue-cgu.0[Internal]
+    //~ MONO_ITEM fn std::ptr::drop_in_place::<(u32, Dropped)> - shim(Some((u32, Dropped))) @@ tuple_drop_glue-cgu.0[Internal]
     let x = (0u32, Dropped);
 
-    //~ MONO_ITEM fn std::intrinsics::drop_in_place::<(i16, (Dropped, bool))> - shim(Some((i16, (Dropped, bool)))) @@ tuple_drop_glue-cgu.0[Internal]
-    //~ MONO_ITEM fn std::intrinsics::drop_in_place::<(Dropped, bool)> - shim(Some((Dropped, bool)))  @@ tuple_drop_glue-cgu.0[Internal]
+    //~ MONO_ITEM fn std::ptr::drop_in_place::<(i16, (Dropped, bool))> - shim(Some((i16, (Dropped, bool)))) @@ tuple_drop_glue-cgu.0[Internal]
+    //~ MONO_ITEM fn std::ptr::drop_in_place::<(Dropped, bool)> - shim(Some((Dropped, bool)))  @@ tuple_drop_glue-cgu.0[Internal]
     let x = (0i16, (Dropped, true));
 
     0
diff --git a/src/test/codegen-units/item-collection/unsizing.rs b/src/test/codegen-units/item-collection/unsizing.rs
index 9421bf106ba..1b963a24ce8 100644
--- a/src/test/codegen-units/item-collection/unsizing.rs
+++ b/src/test/codegen-units/item-collection/unsizing.rs
@@ -48,13 +48,13 @@ impl<T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<Wrapper<U>> for Wrapper<T>
 fn start(_: isize, _: *const *const u8) -> isize {
     // simple case
     let bool_sized = &true;
-    //~ MONO_ITEM fn std::intrinsics::drop_in_place::<bool> - shim(None) @@ unsizing-cgu.0[Internal]
+    //~ MONO_ITEM fn std::ptr::drop_in_place::<bool> - shim(None) @@ unsizing-cgu.0[Internal]
     //~ MONO_ITEM fn <bool as Trait>::foo
     let _bool_unsized = bool_sized as &Trait;
 
     let char_sized = &'a';
 
-    //~ MONO_ITEM fn std::intrinsics::drop_in_place::<char> - shim(None) @@ unsizing-cgu.0[Internal]
+    //~ MONO_ITEM fn std::ptr::drop_in_place::<char> - shim(None) @@ unsizing-cgu.0[Internal]
     //~ MONO_ITEM fn <char as Trait>::foo
     let _char_unsized = char_sized as &Trait;
 
@@ -64,13 +64,13 @@ fn start(_: isize, _: *const *const u8) -> isize {
         _b: 2,
         _c: 3.0f64
     };
-    //~ MONO_ITEM fn std::intrinsics::drop_in_place::<f64> - shim(None) @@ unsizing-cgu.0[Internal]
+    //~ MONO_ITEM fn std::ptr::drop_in_place::<f64> - shim(None) @@ unsizing-cgu.0[Internal]
     //~ MONO_ITEM fn <f64 as Trait>::foo
     let _struct_unsized = struct_sized as &Struct<Trait>;
 
     // custom coercion
     let wrapper_sized = Wrapper(&0u32);
-    //~ MONO_ITEM fn std::intrinsics::drop_in_place::<u32> - shim(None) @@ unsizing-cgu.0[Internal]
+    //~ MONO_ITEM fn std::ptr::drop_in_place::<u32> - shim(None) @@ unsizing-cgu.0[Internal]
     //~ MONO_ITEM fn <u32 as Trait>::foo
     let _wrapper_sized = wrapper_sized as Wrapper<Trait>;
 
diff --git a/src/test/codegen-units/partitioning/extern-drop-glue.rs b/src/test/codegen-units/partitioning/extern-drop-glue.rs
index 3de1bdb86c1..6232b9edf82 100644
--- a/src/test/codegen-units/partitioning/extern-drop-glue.rs
+++ b/src/test/codegen-units/partitioning/extern-drop-glue.rs
@@ -12,13 +12,13 @@
 // aux-build:cgu_extern_drop_glue.rs
 extern crate cgu_extern_drop_glue;
 
-//~ MONO_ITEM fn std::intrinsics::drop_in_place::<cgu_extern_drop_glue::Struct> - shim(Some(cgu_extern_drop_glue::Struct)) @@ extern_drop_glue-fallback.cgu[External]
+//~ MONO_ITEM fn std::ptr::drop_in_place::<cgu_extern_drop_glue::Struct> - shim(Some(cgu_extern_drop_glue::Struct)) @@ extern_drop_glue-fallback.cgu[External]
 
 struct LocalStruct(cgu_extern_drop_glue::Struct);
 
 //~ MONO_ITEM fn user @@ extern_drop_glue[External]
 pub fn user() {
-    //~ MONO_ITEM fn std::intrinsics::drop_in_place::<LocalStruct> - shim(Some(LocalStruct)) @@ extern_drop_glue-fallback.cgu[External]
+    //~ MONO_ITEM fn std::ptr::drop_in_place::<LocalStruct> - shim(Some(LocalStruct)) @@ extern_drop_glue-fallback.cgu[External]
     let _ = LocalStruct(cgu_extern_drop_glue::Struct(0));
 }
 
@@ -29,7 +29,7 @@ pub mod mod1 {
 
     //~ MONO_ITEM fn mod1::user @@ extern_drop_glue-mod1[External]
     pub fn user() {
-        //~ MONO_ITEM fn std::intrinsics::drop_in_place::<mod1::LocalStruct> - shim(Some(mod1::LocalStruct)) @@ extern_drop_glue-fallback.cgu[External]
+        //~ MONO_ITEM fn std::ptr::drop_in_place::<mod1::LocalStruct> - shim(Some(mod1::LocalStruct)) @@ extern_drop_glue-fallback.cgu[External]
         let _ = LocalStruct(cgu_extern_drop_glue::Struct(0));
     }
 }
diff --git a/src/test/codegen-units/partitioning/local-drop-glue.rs b/src/test/codegen-units/partitioning/local-drop-glue.rs
index 98108615ce9..3017e4f9494 100644
--- a/src/test/codegen-units/partitioning/local-drop-glue.rs
+++ b/src/test/codegen-units/partitioning/local-drop-glue.rs
@@ -8,7 +8,7 @@
 #![allow(dead_code)]
 #![crate_type = "rlib"]
 
-//~ MONO_ITEM fn std::intrinsics::drop_in_place::<Struct> - shim(Some(Struct)) @@ local_drop_glue-fallback.cgu[External]
+//~ MONO_ITEM fn std::ptr::drop_in_place::<Struct> - shim(Some(Struct)) @@ local_drop_glue-fallback.cgu[External]
 struct Struct {
     _a: u32,
 }
@@ -18,7 +18,7 @@ impl Drop for Struct {
     fn drop(&mut self) {}
 }
 
-//~ MONO_ITEM fn std::intrinsics::drop_in_place::<Outer> - shim(Some(Outer)) @@ local_drop_glue-fallback.cgu[External]
+//~ MONO_ITEM fn std::ptr::drop_in_place::<Outer> - shim(Some(Outer)) @@ local_drop_glue-fallback.cgu[External]
 struct Outer {
     _a: Struct,
 }
@@ -31,10 +31,10 @@ pub fn user() {
 pub mod mod1 {
     use super::Struct;
 
-    //~ MONO_ITEM fn std::intrinsics::drop_in_place::<mod1::Struct2> - shim(Some(mod1::Struct2)) @@ local_drop_glue-fallback.cgu[External]
+    //~ MONO_ITEM fn std::ptr::drop_in_place::<mod1::Struct2> - shim(Some(mod1::Struct2)) @@ local_drop_glue-fallback.cgu[External]
     struct Struct2 {
         _a: Struct,
-        //~ MONO_ITEM fn std::intrinsics::drop_in_place::<(u32, Struct)> - shim(Some((u32, Struct))) @@ local_drop_glue-fallback.cgu[Internal]
+        //~ MONO_ITEM fn std::ptr::drop_in_place::<(u32, Struct)> - shim(Some((u32, Struct))) @@ local_drop_glue-fallback.cgu[Internal]
         _b: (u32, Struct),
     }
 
diff --git a/src/test/codegen-units/partitioning/vtable-through-const.rs b/src/test/codegen-units/partitioning/vtable-through-const.rs
index 03dbac6179d..8028c4f5f0b 100644
--- a/src/test/codegen-units/partitioning/vtable-through-const.rs
+++ b/src/test/codegen-units/partitioning/vtable-through-const.rs
@@ -66,7 +66,7 @@ mod mod1 {
 //~ MONO_ITEM fn start
 #[start]
 fn start(_: isize, _: *const *const u8) -> isize {
-    //~ MONO_ITEM fn std::intrinsics::drop_in_place::<u32> - shim(None) @@ vtable_through_const[Internal]
+    //~ MONO_ITEM fn std::ptr::drop_in_place::<u32> - shim(None) @@ vtable_through_const[Internal]
 
     // Since Trait1::do_something() is instantiated via its default implementation,
     // it is considered a generic and is instantiated here only because it is
diff --git a/src/test/codegen/drop.rs b/src/test/codegen/drop.rs
index 99a791464ab..b35d5c83552 100644
--- a/src/test/codegen/drop.rs
+++ b/src/test/codegen/drop.rs
@@ -21,7 +21,7 @@ pub fn droppy() {
 // regular function exit. We used to have problems with quadratic growths of drop calls in such
 // functions.
 // FIXME(eddyb) the `void @` forces a match on the instruction, instead of the
-// comment, that's `; call core::intrinsics::drop_in_place::<drop::SomeUniqueName>`
+// comment, that's `; call core::ptr::drop_in_place::<drop::SomeUniqueName>`
 // for the `v0` mangling, should switch to matching on that once `legacy` is gone.
 // CHECK-NOT: call void @{{.*}}drop_in_place{{.*}}SomeUniqueName
 // CHECK: invoke void @{{.*}}drop_in_place{{.*}}SomeUniqueName
diff --git a/src/test/mir-opt/inline/inline_shims.drop.Inline.diff b/src/test/mir-opt/inline/inline_shims.drop.Inline.diff
index 092ff42c3b6..9494c4c6418 100644
--- a/src/test/mir-opt/inline/inline_shims.drop.Inline.diff
+++ b/src/test/mir-opt/inline/inline_shims.drop.Inline.diff
@@ -11,7 +11,7 @@
       scope 1 {
       }
       scope 2 {
-+         scope 3 (inlined drop_in_place::<Option<B>> - shim(Some(Option<B>))) { // at $DIR/inline-shims.rs:12:14: 12:40
++         scope 3 (inlined std::ptr::drop_in_place::<Option<B>> - shim(Some(Option<B>))) { // at $DIR/inline-shims.rs:12:14: 12:40
 +             let mut _6: isize;           // in scope 3 at $DIR/inline-shims.rs:12:14: 12:40
 +             let mut _7: isize;           // in scope 3 at $DIR/inline-shims.rs:12:14: 12:40
 +         }
@@ -21,10 +21,10 @@
           StorageLive(_3);                 // scope 0 at $DIR/inline-shims.rs:11:5: 11:42
           StorageLive(_4);                 // scope 1 at $DIR/inline-shims.rs:11:38: 11:39
           _4 = _1;                         // scope 1 at $DIR/inline-shims.rs:11:38: 11:39
-          _3 = drop_in_place::<Vec<A>>(move _4) -> bb1; // scope 1 at $DIR/inline-shims.rs:11:14: 11:40
+          _3 = std::ptr::drop_in_place::<Vec<A>>(move _4) -> bb1; // scope 1 at $DIR/inline-shims.rs:11:14: 11:40
                                            // mir::Constant
                                            // + span: $DIR/inline-shims.rs:11:14: 11:37
-                                           // + literal: Const { ty: unsafe fn(*mut std::vec::Vec<A>) {std::intrinsics::drop_in_place::<std::vec::Vec<A>>}, val: Value(Scalar(<ZST>)) }
+                                           // + literal: Const { ty: unsafe fn(*mut std::vec::Vec<A>) {std::ptr::drop_in_place::<std::vec::Vec<A>>}, val: Value(Scalar(<ZST>)) }
       }
   
       bb1: {
@@ -32,10 +32,10 @@
           StorageDead(_3);                 // scope 0 at $DIR/inline-shims.rs:11:41: 11:42
           StorageLive(_5);                 // scope 2 at $DIR/inline-shims.rs:12:38: 12:39
           _5 = _2;                         // scope 2 at $DIR/inline-shims.rs:12:38: 12:39
--         _0 = drop_in_place::<Option<B>>(move _5) -> bb2; // scope 2 at $DIR/inline-shims.rs:12:14: 12:40
+-         _0 = std::ptr::drop_in_place::<Option<B>>(move _5) -> bb2; // scope 2 at $DIR/inline-shims.rs:12:14: 12:40
 -                                          // mir::Constant
 -                                          // + span: $DIR/inline-shims.rs:12:14: 12:37
--                                          // + literal: Const { ty: unsafe fn(*mut std::option::Option<B>) {std::intrinsics::drop_in_place::<std::option::Option<B>>}, val: Value(Scalar(<ZST>)) }
+-                                          // + literal: Const { ty: unsafe fn(*mut std::option::Option<B>) {std::ptr::drop_in_place::<std::option::Option<B>>}, val: Value(Scalar(<ZST>)) }
 +         StorageLive(_6);                 // scope 2 at $DIR/inline-shims.rs:12:14: 12:40
 +         StorageLive(_7);                 // scope 2 at $DIR/inline-shims.rs:12:14: 12:40
 +         _6 = discriminant((*_5));        // scope 3 at $DIR/inline-shims.rs:12:14: 12:40
diff --git a/src/test/mir-opt/retag.core.ptr-drop_in_place.Test.SimplifyCfg-make_shim.after.mir b/src/test/mir-opt/retag.core.ptr-drop_in_place.Test.SimplifyCfg-make_shim.after.mir
index d0268cf207b..aadc1db0e0d 100644
--- a/src/test/mir-opt/retag.core.ptr-drop_in_place.Test.SimplifyCfg-make_shim.after.mir
+++ b/src/test/mir-opt/retag.core.ptr-drop_in_place.Test.SimplifyCfg-make_shim.after.mir
@@ -1,6 +1,6 @@
-// MIR for `drop_in_place` after SimplifyCfg-make_shim
+// MIR for `std::ptr::drop_in_place` after SimplifyCfg-make_shim
 
-fn drop_in_place(_1: *mut Test) -> () {
+fn std::ptr::drop_in_place(_1: *mut Test) -> () {
     let mut _0: ();                      // return place in scope 0 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
     let mut _2: &mut Test;               // in scope 0 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
     let mut _3: ();                      // in scope 0 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
diff --git a/src/test/mir-opt/slice_drop_shim.core.ptr-drop_in_place.[String].AddMovesForPackedDrops.before.32bit.mir b/src/test/mir-opt/slice_drop_shim.core.ptr-drop_in_place.[String].AddMovesForPackedDrops.before.32bit.mir
index 8051c61bce9..54ca9dc6682 100644
--- a/src/test/mir-opt/slice_drop_shim.core.ptr-drop_in_place.[String].AddMovesForPackedDrops.before.32bit.mir
+++ b/src/test/mir-opt/slice_drop_shim.core.ptr-drop_in_place.[String].AddMovesForPackedDrops.before.32bit.mir
@@ -1,6 +1,6 @@
-// MIR for `drop_in_place` before AddMovesForPackedDrops
+// MIR for `std::ptr::drop_in_place` before AddMovesForPackedDrops
 
-fn drop_in_place(_1: *mut [String]) -> () {
+fn std::ptr::drop_in_place(_1: *mut [String]) -> () {
     let mut _0: ();                      // return place in scope 0 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
     let mut _2: usize;                   // in scope 0 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
     let mut _3: usize;                   // in scope 0 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
diff --git a/src/test/mir-opt/slice_drop_shim.core.ptr-drop_in_place.[String].AddMovesForPackedDrops.before.64bit.mir b/src/test/mir-opt/slice_drop_shim.core.ptr-drop_in_place.[String].AddMovesForPackedDrops.before.64bit.mir
index 8051c61bce9..54ca9dc6682 100644
--- a/src/test/mir-opt/slice_drop_shim.core.ptr-drop_in_place.[String].AddMovesForPackedDrops.before.64bit.mir
+++ b/src/test/mir-opt/slice_drop_shim.core.ptr-drop_in_place.[String].AddMovesForPackedDrops.before.64bit.mir
@@ -1,6 +1,6 @@
-// MIR for `drop_in_place` before AddMovesForPackedDrops
+// MIR for `std::ptr::drop_in_place` before AddMovesForPackedDrops
 
-fn drop_in_place(_1: *mut [String]) -> () {
+fn std::ptr::drop_in_place(_1: *mut [String]) -> () {
     let mut _0: ();                      // return place in scope 0 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
     let mut _2: usize;                   // in scope 0 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
     let mut _3: usize;                   // in scope 0 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
diff --git a/src/test/mir-opt/unusual_item_types.core.ptr-drop_in_place.Vec_i32_.AddMovesForPackedDrops.before.32bit.mir b/src/test/mir-opt/unusual_item_types.core.ptr-drop_in_place.Vec_i32_.AddMovesForPackedDrops.before.32bit.mir
index e4af5b3dfab..97c83010e22 100644
--- a/src/test/mir-opt/unusual_item_types.core.ptr-drop_in_place.Vec_i32_.AddMovesForPackedDrops.before.32bit.mir
+++ b/src/test/mir-opt/unusual_item_types.core.ptr-drop_in_place.Vec_i32_.AddMovesForPackedDrops.before.32bit.mir
@@ -1,6 +1,6 @@
-// MIR for `drop_in_place` before AddMovesForPackedDrops
+// MIR for `std::ptr::drop_in_place` before AddMovesForPackedDrops
 
-fn drop_in_place(_1: *mut Vec<i32>) -> () {
+fn std::ptr::drop_in_place(_1: *mut Vec<i32>) -> () {
     let mut _0: ();                      // return place in scope 0 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
     let mut _2: &mut std::vec::Vec<i32>; // in scope 0 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
     let mut _3: ();                      // in scope 0 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
diff --git a/src/test/mir-opt/unusual_item_types.core.ptr-drop_in_place.Vec_i32_.AddMovesForPackedDrops.before.64bit.mir b/src/test/mir-opt/unusual_item_types.core.ptr-drop_in_place.Vec_i32_.AddMovesForPackedDrops.before.64bit.mir
index e4af5b3dfab..97c83010e22 100644
--- a/src/test/mir-opt/unusual_item_types.core.ptr-drop_in_place.Vec_i32_.AddMovesForPackedDrops.before.64bit.mir
+++ b/src/test/mir-opt/unusual_item_types.core.ptr-drop_in_place.Vec_i32_.AddMovesForPackedDrops.before.64bit.mir
@@ -1,6 +1,6 @@
-// MIR for `drop_in_place` before AddMovesForPackedDrops
+// MIR for `std::ptr::drop_in_place` before AddMovesForPackedDrops
 
-fn drop_in_place(_1: *mut Vec<i32>) -> () {
+fn std::ptr::drop_in_place(_1: *mut Vec<i32>) -> () {
     let mut _0: ();                      // return place in scope 0 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
     let mut _2: &mut std::vec::Vec<i32>; // in scope 0 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
     let mut _3: ();                      // in scope 0 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
diff --git a/src/test/ui/consts/miri_unleashed/drop.stderr b/src/test/ui/consts/miri_unleashed/drop.stderr
index eb1b42c57bc..f79dc454a83 100644
--- a/src/test/ui/consts/miri_unleashed/drop.stderr
+++ b/src/test/ui/consts/miri_unleashed/drop.stderr
@@ -5,7 +5,7 @@ LL | pub unsafe fn drop_in_place<T: ?Sized>(to_drop: *mut T) {
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    | |
    | calling non-const function `<Vec<i32> as Drop>::drop`
-   | inside `drop_in_place::<Vec<i32>> - shim(Some(Vec<i32>))` at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
+   | inside `std::ptr::drop_in_place::<Vec<i32>> - shim(Some(Vec<i32>))` at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
    | 
   ::: $DIR/drop.rs:18:1
    |
diff --git a/src/test/ui/recursion/issue-38591-non-regular-dropck-recursion.stderr b/src/test/ui/recursion/issue-38591-non-regular-dropck-recursion.stderr
index 5bf381607c5..d749ee00c22 100644
--- a/src/test/ui/recursion/issue-38591-non-regular-dropck-recursion.stderr
+++ b/src/test/ui/recursion/issue-38591-non-regular-dropck-recursion.stderr
@@ -1,10 +1,10 @@
-error: reached the recursion limit while instantiating `drop_in_place::<S<fn(fn(fn(fn(fn...)))))))))))))))))))))))))))))>))`
+error: reached the recursion limit while instantiating `std::ptr::drop_in_place::<S<fn(f...)))))))))))))))))))))))))))))>))`
   --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL
    |
 LL | pub unsafe fn drop_in_place<T: ?Sized>(to_drop: *mut T) {
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
-note: `drop_in_place` defined here
+note: `std::ptr::drop_in_place` defined here
   --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL
    |
 LL | pub unsafe fn drop_in_place<T: ?Sized>(to_drop: *mut T) {
diff --git a/src/tools/clippy/clippy_lints/src/matches.rs b/src/tools/clippy/clippy_lints/src/matches.rs
index efc8b139425..9b7328caf31 100644
--- a/src/tools/clippy/clippy_lints/src/matches.rs
+++ b/src/tools/clippy/clippy_lints/src/matches.rs
@@ -27,7 +27,7 @@ use rustc_span::source_map::{Span, Spanned};
 use rustc_span::sym;
 use std::cmp::Ordering;
 use std::collections::hash_map::Entry;
-use std::collections::Bound;
+use std::ops::Bound;
 
 declare_clippy_lint! {
     /// **What it does:** Checks for matches with a single arm where an `if let`