Revert "Auto merge of #113166 - moulins:ref-niches-initial, r=oli-obk"

This reverts commit 557359f92512ca88b62a602ebda291f17a953002, reversing
changes made to 1e6c09a803fd543a98bfbe1624d697a55300a786.

1 files changed, 1 insertions, 5 deletions

diff --git a/compiler/rustc_target/src/abi/mod.rs b/compiler/rustc_target/src/abi/mod.rs
index 11ba551dccc..084c917cc31 100644
--- a/compiler/rustc_target/src/abi/mod.rs
+++ b/compiler/rustc_target/src/abi/mod.rs
@@ -50,9 +50,6 @@ pub trait TyAbiInterface<'a, C>: Sized {
         this: TyAndLayout<'a, Self>,
         cx: &C,
         offset: Size,
-        // If true, assume that pointers are either null or valid (according to their type),
-        // enabling extra optimizations.
-        assume_valid_ptr: bool,
     ) -> Option<PointeeInfo>;
     fn is_adt(this: TyAndLayout<'a, Self>) -> bool;
     fn is_never(this: TyAndLayout<'a, Self>) -> bool;
@@ -79,8 +76,7 @@ impl<'a, Ty> TyAndLayout<'a, Ty> {
     where
         Ty: TyAbiInterface<'a, C>,
     {
-        let assume_valid_ptr = true;
-        Ty::ty_and_layout_pointee_info_at(self, cx, offset, assume_valid_ptr)
+        Ty::ty_and_layout_pointee_info_at(self, cx, offset)
     }
 
     pub fn is_single_fp_element<C>(self, cx: &C) -> bool