diff --git a/compiler/rustc_hir_analysis/src/check/intrinsic.rs b/compiler/rustc_hir_analysis/src/check/intrinsic.rs
index 50da6bcbf73..fe1a5a28964 100644
--- a/compiler/rustc_hir_analysis/src/check/intrinsic.rs
+++ b/compiler/rustc_hir_analysis/src/check/intrinsic.rs
@@ -172,7 +172,7 @@ pub fn check_intrinsic_type(tcx: TyCtxt<'_>, intrinsic_id: LocalDefId, span: Spa
         })
     };
 
-    let (n_tps, n_lts, inputs, output, unsafety) = if name_str.starts_with("atomic_") {
+    let (n_tps, n_lts, n_cts, inputs, output, unsafety) = if name_str.starts_with("atomic_") {
         let split: Vec<&str> = name_str.split('_').collect();
         assert!(split.len() >= 2, "Atomic intrinsic in an incorrect format");
 
@@ -194,45 +194,47 @@ pub fn check_intrinsic_type(tcx: TyCtxt<'_>, intrinsic_id: LocalDefId, span: Spa
                 return;
             }
         };
-        (n_tps, 0, inputs, output, hir::Unsafety::Unsafe)
+        (n_tps, 0, 0, inputs, output, hir::Unsafety::Unsafe)
     } else {
         let unsafety = intrinsic_operation_unsafety(tcx, intrinsic_id);
-        let (n_tps, inputs, output) = match intrinsic_name {
-            sym::abort => (0, Vec::new(), tcx.types.never),
-            sym::unreachable => (0, Vec::new(), tcx.types.never),
-            sym::breakpoint => (0, Vec::new(), Ty::new_unit(tcx)),
+        let (n_tps, n_cts, inputs, output) = match intrinsic_name {
+            sym::abort => (0, 0, vec![], tcx.types.never),
+            sym::unreachable => (0, 0, vec![], tcx.types.never),
+            sym::breakpoint => (0, 0, vec![], Ty::new_unit(tcx)),
             sym::size_of | sym::pref_align_of | sym::min_align_of | sym::variant_count => {
-                (1, Vec::new(), tcx.types.usize)
+                (1, 0, vec![], tcx.types.usize)
             }
             sym::size_of_val | sym::min_align_of_val => {
-                (1, vec![Ty::new_imm_ptr(tcx, param(0))], tcx.types.usize)
+                (1, 0, vec![Ty::new_imm_ptr(tcx, param(0))], tcx.types.usize)
             }
-            sym::rustc_peek => (1, vec![param(0)], param(0)),
-            sym::caller_location => (0, vec![], tcx.caller_location_ty()),
+            sym::rustc_peek => (1, 0, vec![param(0)], param(0)),
+            sym::caller_location => (0, 0, vec![], tcx.caller_location_ty()),
             sym::assert_inhabited
             | sym::assert_zero_valid
-            | sym::assert_mem_uninitialized_valid => (1, Vec::new(), Ty::new_unit(tcx)),
-            sym::forget => (1, vec![param(0)], Ty::new_unit(tcx)),
-            sym::transmute | sym::transmute_unchecked => (2, vec![param(0)], param(1)),
+            | sym::assert_mem_uninitialized_valid => (1, 0, vec![], Ty::new_unit(tcx)),
+            sym::forget => (1, 0, vec![param(0)], Ty::new_unit(tcx)),
+            sym::transmute | sym::transmute_unchecked => (2, 0, vec![param(0)], param(1)),
             sym::prefetch_read_data
             | sym::prefetch_write_data
             | sym::prefetch_read_instruction
             | sym::prefetch_write_instruction => (
                 1,
+                0,
                 vec![
                     Ty::new_ptr(tcx, ty::TypeAndMut { ty: param(0), mutbl: hir::Mutability::Not }),
                     tcx.types.i32,
                 ],
                 Ty::new_unit(tcx),
             ),
-            sym::drop_in_place => (1, vec![Ty::new_mut_ptr(tcx, param(0))], Ty::new_unit(tcx)),
-            sym::needs_drop => (1, Vec::new(), tcx.types.bool),
+            sym::drop_in_place => (1, 0, vec![Ty::new_mut_ptr(tcx, param(0))], Ty::new_unit(tcx)),
+            sym::needs_drop => (1, 0, vec![], tcx.types.bool),
 
-            sym::type_name => (1, Vec::new(), Ty::new_static_str(tcx)),
-            sym::type_id => (1, Vec::new(), tcx.types.u128),
-            sym::offset => (2, vec![param(0), param(1)], param(0)),
+            sym::type_name => (1, 0, vec![], Ty::new_static_str(tcx)),
+            sym::type_id => (1, 0, vec![], tcx.types.u128),
+            sym::offset => (2, 0, vec![param(0), param(1)], param(0)),
             sym::arith_offset => (
                 1,
+                0,
                 vec![
                     Ty::new_ptr(tcx, ty::TypeAndMut { ty: param(0), mutbl: hir::Mutability::Not }),
                     tcx.types.isize,
@@ -241,6 +243,7 @@ pub fn check_intrinsic_type(tcx: TyCtxt<'_>, intrinsic_id: LocalDefId, span: Spa
             ),
             sym::ptr_mask => (
                 1,
+                0,
                 vec![
                     Ty::new_ptr(tcx, ty::TypeAndMut { ty: param(0), mutbl: hir::Mutability::Not }),
                     tcx.types.usize,
@@ -250,6 +253,7 @@ pub fn check_intrinsic_type(tcx: TyCtxt<'_>, intrinsic_id: LocalDefId, span: Spa
 
             sym::copy | sym::copy_nonoverlapping => (
                 1,
+                0,
                 vec![
                     Ty::new_ptr(tcx, ty::TypeAndMut { ty: param(0), mutbl: hir::Mutability::Not }),
                     Ty::new_ptr(tcx, ty::TypeAndMut { ty: param(0), mutbl: hir::Mutability::Mut }),
@@ -259,6 +263,7 @@ pub fn check_intrinsic_type(tcx: TyCtxt<'_>, intrinsic_id: LocalDefId, span: Spa
             ),
             sym::volatile_copy_memory | sym::volatile_copy_nonoverlapping_memory => (
                 1,
+                0,
                 vec![
                     Ty::new_ptr(tcx, ty::TypeAndMut { ty: param(0), mutbl: hir::Mutability::Mut }),
                     Ty::new_ptr(tcx, ty::TypeAndMut { ty: param(0), mutbl: hir::Mutability::Not }),
@@ -268,10 +273,11 @@ pub fn check_intrinsic_type(tcx: TyCtxt<'_>, intrinsic_id: LocalDefId, span: Spa
             ),
             sym::compare_bytes => {
                 let byte_ptr = Ty::new_imm_ptr(tcx, tcx.types.u8);
-                (0, vec![byte_ptr, byte_ptr, tcx.types.usize], tcx.types.i32)
+                (0, 0, vec![byte_ptr, byte_ptr, tcx.types.usize], tcx.types.i32)
             }
             sym::write_bytes | sym::volatile_set_memory => (
                 1,
+                0,
                 vec![
                     Ty::new_ptr(tcx, ty::TypeAndMut { ty: param(0), mutbl: hir::Mutability::Mut }),
                     tcx.types.u8,
@@ -279,56 +285,56 @@ pub fn check_intrinsic_type(tcx: TyCtxt<'_>, intrinsic_id: LocalDefId, span: Spa
                 ],
                 Ty::new_unit(tcx),
             ),
-            sym::sqrtf32 => (0, vec![tcx.types.f32], tcx.types.f32),
-            sym::sqrtf64 => (0, vec![tcx.types.f64], tcx.types.f64),
-            sym::powif32 => (0, vec![tcx.types.f32, tcx.types.i32], tcx.types.f32),
-            sym::powif64 => (0, vec![tcx.types.f64, tcx.types.i32], tcx.types.f64),
-            sym::sinf32 => (0, vec![tcx.types.f32], tcx.types.f32),
-            sym::sinf64 => (0, vec![tcx.types.f64], tcx.types.f64),
-            sym::cosf32 => (0, vec![tcx.types.f32], tcx.types.f32),
-            sym::cosf64 => (0, vec![tcx.types.f64], tcx.types.f64),
-            sym::powf32 => (0, vec![tcx.types.f32, tcx.types.f32], tcx.types.f32),
-            sym::powf64 => (0, vec![tcx.types.f64, tcx.types.f64], tcx.types.f64),
-            sym::expf32 => (0, vec![tcx.types.f32], tcx.types.f32),
-            sym::expf64 => (0, vec![tcx.types.f64], tcx.types.f64),
-            sym::exp2f32 => (0, vec![tcx.types.f32], tcx.types.f32),
-            sym::exp2f64 => (0, vec![tcx.types.f64], tcx.types.f64),
-            sym::logf32 => (0, vec![tcx.types.f32], tcx.types.f32),
-            sym::logf64 => (0, vec![tcx.types.f64], tcx.types.f64),
-            sym::log10f32 => (0, vec![tcx.types.f32], tcx.types.f32),
-            sym::log10f64 => (0, vec![tcx.types.f64], tcx.types.f64),
-            sym::log2f32 => (0, vec![tcx.types.f32], tcx.types.f32),
-            sym::log2f64 => (0, vec![tcx.types.f64], tcx.types.f64),
-            sym::fmaf32 => (0, vec![tcx.types.f32, tcx.types.f32, tcx.types.f32], tcx.types.f32),
-            sym::fmaf64 => (0, vec![tcx.types.f64, tcx.types.f64, tcx.types.f64], tcx.types.f64),
-            sym::fabsf32 => (0, vec![tcx.types.f32], tcx.types.f32),
-            sym::fabsf64 => (0, vec![tcx.types.f64], tcx.types.f64),
-            sym::minnumf32 => (0, vec![tcx.types.f32, tcx.types.f32], tcx.types.f32),
-            sym::minnumf64 => (0, vec![tcx.types.f64, tcx.types.f64], tcx.types.f64),
-            sym::maxnumf32 => (0, vec![tcx.types.f32, tcx.types.f32], tcx.types.f32),
-            sym::maxnumf64 => (0, vec![tcx.types.f64, tcx.types.f64], tcx.types.f64),
-            sym::copysignf32 => (0, vec![tcx.types.f32, tcx.types.f32], tcx.types.f32),
-            sym::copysignf64 => (0, vec![tcx.types.f64, tcx.types.f64], tcx.types.f64),
-            sym::floorf32 => (0, vec![tcx.types.f32], tcx.types.f32),
-            sym::floorf64 => (0, vec![tcx.types.f64], tcx.types.f64),
-            sym::ceilf32 => (0, vec![tcx.types.f32], tcx.types.f32),
-            sym::ceilf64 => (0, vec![tcx.types.f64], tcx.types.f64),
-            sym::truncf32 => (0, vec![tcx.types.f32], tcx.types.f32),
-            sym::truncf64 => (0, vec![tcx.types.f64], tcx.types.f64),
-            sym::rintf32 => (0, vec![tcx.types.f32], tcx.types.f32),
-            sym::rintf64 => (0, vec![tcx.types.f64], tcx.types.f64),
-            sym::nearbyintf32 => (0, vec![tcx.types.f32], tcx.types.f32),
-            sym::nearbyintf64 => (0, vec![tcx.types.f64], tcx.types.f64),
-            sym::roundf32 => (0, vec![tcx.types.f32], tcx.types.f32),
-            sym::roundf64 => (0, vec![tcx.types.f64], tcx.types.f64),
-            sym::roundevenf32 => (0, vec![tcx.types.f32], tcx.types.f32),
-            sym::roundevenf64 => (0, vec![tcx.types.f64], tcx.types.f64),
+            sym::sqrtf32 => (0, 0, vec![tcx.types.f32], tcx.types.f32),
+            sym::sqrtf64 => (0, 0, vec![tcx.types.f64], tcx.types.f64),
+            sym::powif32 => (0, 0, vec![tcx.types.f32, tcx.types.i32], tcx.types.f32),
+            sym::powif64 => (0, 0, vec![tcx.types.f64, tcx.types.i32], tcx.types.f64),
+            sym::sinf32 => (0, 0, vec![tcx.types.f32], tcx.types.f32),
+            sym::sinf64 => (0, 0, vec![tcx.types.f64], tcx.types.f64),
+            sym::cosf32 => (0, 0, vec![tcx.types.f32], tcx.types.f32),
+            sym::cosf64 => (0, 0, vec![tcx.types.f64], tcx.types.f64),
+            sym::powf32 => (0, 0, vec![tcx.types.f32, tcx.types.f32], tcx.types.f32),
+            sym::powf64 => (0, 0, vec![tcx.types.f64, tcx.types.f64], tcx.types.f64),
+            sym::expf32 => (0, 0, vec![tcx.types.f32], tcx.types.f32),
+            sym::expf64 => (0, 0, vec![tcx.types.f64], tcx.types.f64),
+            sym::exp2f32 => (0, 0, vec![tcx.types.f32], tcx.types.f32),
+            sym::exp2f64 => (0, 0, vec![tcx.types.f64], tcx.types.f64),
+            sym::logf32 => (0, 0, vec![tcx.types.f32], tcx.types.f32),
+            sym::logf64 => (0, 0, vec![tcx.types.f64], tcx.types.f64),
+            sym::log10f32 => (0, 0, vec![tcx.types.f32], tcx.types.f32),
+            sym::log10f64 => (0, 0, vec![tcx.types.f64], tcx.types.f64),
+            sym::log2f32 => (0, 0, vec![tcx.types.f32], tcx.types.f32),
+            sym::log2f64 => (0, 0, vec![tcx.types.f64], tcx.types.f64),
+            sym::fmaf32 => (0, 0, vec![tcx.types.f32, tcx.types.f32, tcx.types.f32], tcx.types.f32),
+            sym::fmaf64 => (0, 0, vec![tcx.types.f64, tcx.types.f64, tcx.types.f64], tcx.types.f64),
+            sym::fabsf32 => (0, 0, vec![tcx.types.f32], tcx.types.f32),
+            sym::fabsf64 => (0, 0, vec![tcx.types.f64], tcx.types.f64),
+            sym::minnumf32 => (0, 0, vec![tcx.types.f32, tcx.types.f32], tcx.types.f32),
+            sym::minnumf64 => (0, 0, vec![tcx.types.f64, tcx.types.f64], tcx.types.f64),
+            sym::maxnumf32 => (0, 0, vec![tcx.types.f32, tcx.types.f32], tcx.types.f32),
+            sym::maxnumf64 => (0, 0, vec![tcx.types.f64, tcx.types.f64], tcx.types.f64),
+            sym::copysignf32 => (0, 0, vec![tcx.types.f32, tcx.types.f32], tcx.types.f32),
+            sym::copysignf64 => (0, 0, vec![tcx.types.f64, tcx.types.f64], tcx.types.f64),
+            sym::floorf32 => (0, 0, vec![tcx.types.f32], tcx.types.f32),
+            sym::floorf64 => (0, 0, vec![tcx.types.f64], tcx.types.f64),
+            sym::ceilf32 => (0, 0, vec![tcx.types.f32], tcx.types.f32),
+            sym::ceilf64 => (0, 0, vec![tcx.types.f64], tcx.types.f64),
+            sym::truncf32 => (0, 0, vec![tcx.types.f32], tcx.types.f32),
+            sym::truncf64 => (0, 0, vec![tcx.types.f64], tcx.types.f64),
+            sym::rintf32 => (0, 0, vec![tcx.types.f32], tcx.types.f32),
+            sym::rintf64 => (0, 0, vec![tcx.types.f64], tcx.types.f64),
+            sym::nearbyintf32 => (0, 0, vec![tcx.types.f32], tcx.types.f32),
+            sym::nearbyintf64 => (0, 0, vec![tcx.types.f64], tcx.types.f64),
+            sym::roundf32 => (0, 0, vec![tcx.types.f32], tcx.types.f32),
+            sym::roundf64 => (0, 0, vec![tcx.types.f64], tcx.types.f64),
+            sym::roundevenf32 => (0, 0, vec![tcx.types.f32], tcx.types.f32),
+            sym::roundevenf64 => (0, 0, vec![tcx.types.f64], tcx.types.f64),
 
             sym::volatile_load | sym::unaligned_volatile_load => {
-                (1, vec![Ty::new_imm_ptr(tcx, param(0))], param(0))
+                (1, 0, vec![Ty::new_imm_ptr(tcx, param(0))], param(0))
             }
             sym::volatile_store | sym::unaligned_volatile_store => {
-                (1, vec![Ty::new_mut_ptr(tcx, param(0)), param(0)], Ty::new_unit(tcx))
+                (1, 0, vec![Ty::new_mut_ptr(tcx, param(0)), param(0)], Ty::new_unit(tcx))
             }
 
             sym::ctpop
@@ -337,22 +343,24 @@ pub fn check_intrinsic_type(tcx: TyCtxt<'_>, intrinsic_id: LocalDefId, span: Spa
             | sym::cttz
             | sym::cttz_nonzero
             | sym::bswap
-            | sym::bitreverse => (1, vec![param(0)], param(0)),
+            | sym::bitreverse => (1, 0, vec![param(0)], param(0)),
 
             sym::add_with_overflow | sym::sub_with_overflow | sym::mul_with_overflow => {
-                (1, vec![param(0), param(0)], Ty::new_tup(tcx, &[param(0), tcx.types.bool]))
+                (1, 0, vec![param(0), param(0)], Ty::new_tup(tcx, &[param(0), tcx.types.bool]))
             }
 
             sym::ptr_guaranteed_cmp => (
                 1,
+                0,
                 vec![Ty::new_imm_ptr(tcx, param(0)), Ty::new_imm_ptr(tcx, param(0))],
                 tcx.types.u8,
             ),
 
             sym::const_allocate => {
-                (0, vec![tcx.types.usize, tcx.types.usize], Ty::new_mut_ptr(tcx, tcx.types.u8))
+                (0, 0, vec![tcx.types.usize, tcx.types.usize], Ty::new_mut_ptr(tcx, tcx.types.u8))
             }
             sym::const_deallocate => (
+                0,
                 0,
                 vec![Ty::new_mut_ptr(tcx, tcx.types.u8), tcx.types.usize, tcx.types.usize],
                 Ty::new_unit(tcx),
@@ -360,39 +368,41 @@ pub fn check_intrinsic_type(tcx: TyCtxt<'_>, intrinsic_id: LocalDefId, span: Spa
 
             sym::ptr_offset_from => (
                 1,
+                0,
                 vec![Ty::new_imm_ptr(tcx, param(0)), Ty::new_imm_ptr(tcx, param(0))],
                 tcx.types.isize,
             ),
             sym::ptr_offset_from_unsigned => (
                 1,
+                0,
                 vec![Ty::new_imm_ptr(tcx, param(0)), Ty::new_imm_ptr(tcx, param(0))],
                 tcx.types.usize,
             ),
             sym::unchecked_div | sym::unchecked_rem | sym::exact_div => {
-                (1, vec![param(0), param(0)], param(0))
+                (1, 0, vec![param(0), param(0)], param(0))
             }
             sym::unchecked_shl | sym::unchecked_shr | sym::rotate_left | sym::rotate_right => {
-                (1, vec![param(0), param(0)], param(0))
+                (1, 0, vec![param(0), param(0)], param(0))
             }
             sym::unchecked_add | sym::unchecked_sub | sym::unchecked_mul => {
-                (1, vec![param(0), param(0)], param(0))
+                (1, 0, vec![param(0), param(0)], param(0))
             }
             sym::wrapping_add | sym::wrapping_sub | sym::wrapping_mul => {
-                (1, vec![param(0), param(0)], param(0))
+                (1, 0, vec![param(0), param(0)], param(0))
             }
-            sym::saturating_add | sym::saturating_sub => (1, vec![param(0), param(0)], param(0)),
+            sym::saturating_add | sym::saturating_sub => (1, 0, vec![param(0), param(0)], param(0)),
             sym::fadd_fast | sym::fsub_fast | sym::fmul_fast | sym::fdiv_fast | sym::frem_fast => {
-                (1, vec![param(0), param(0)], param(0))
+                (1, 0, vec![param(0), param(0)], param(0))
             }
-            sym::float_to_int_unchecked => (2, vec![param(0)], param(1)),
+            sym::float_to_int_unchecked => (2, 0, vec![param(0)], param(1)),
 
-            sym::assume => (0, vec![tcx.types.bool], Ty::new_unit(tcx)),
-            sym::likely => (0, vec![tcx.types.bool], tcx.types.bool),
-            sym::unlikely => (0, vec![tcx.types.bool], tcx.types.bool),
+            sym::assume => (0, 0, vec![tcx.types.bool], Ty::new_unit(tcx)),
+            sym::likely => (0, 0, vec![tcx.types.bool], tcx.types.bool),
+            sym::unlikely => (0, 0, vec![tcx.types.bool], tcx.types.bool),
 
-            sym::read_via_copy => (1, vec![Ty::new_imm_ptr(tcx, param(0))], param(0)),
+            sym::read_via_copy => (1, 0, vec![Ty::new_imm_ptr(tcx, param(0))], param(0)),
             sym::write_via_move => {
-                (1, vec![Ty::new_mut_ptr(tcx, param(0)), param(0)], Ty::new_unit(tcx))
+                (1, 0, vec![Ty::new_mut_ptr(tcx, param(0)), param(0)], Ty::new_unit(tcx))
             }
 
             sym::discriminant_value => {
@@ -404,6 +414,7 @@ pub fn check_intrinsic_type(tcx: TyCtxt<'_>, intrinsic_id: LocalDefId, span: Spa
                 let br = ty::BoundRegion { var: ty::BoundVar::from_u32(0), kind: ty::BrAnon };
                 (
                     1,
+                    0,
                     vec![Ty::new_imm_ref(
                         tcx,
                         ty::Region::new_bound(tcx, ty::INNERMOST, br),
@@ -430,6 +441,7 @@ pub fn check_intrinsic_type(tcx: TyCtxt<'_>, intrinsic_id: LocalDefId, span: Spa
                     Abi::Rust,
                 ));
                 (
+                    0,
                     0,
                     vec![Ty::new_fn_ptr(tcx, try_fn_ty), mut_u8, Ty::new_fn_ptr(tcx, catch_fn_ty)],
                     tcx.types.i32,
@@ -437,56 +449,56 @@ pub fn check_intrinsic_type(tcx: TyCtxt<'_>, intrinsic_id: LocalDefId, span: Spa
             }
 
             sym::va_start | sym::va_end => match mk_va_list_ty(hir::Mutability::Mut) {
-                Some((va_list_ref_ty, _)) => (0, vec![va_list_ref_ty], Ty::new_unit(tcx)),
+                Some((va_list_ref_ty, _)) => (0, 0, vec![va_list_ref_ty], Ty::new_unit(tcx)),
                 None => bug!("`va_list` language item needed for C-variadic intrinsics"),
             },
 
             sym::va_copy => match mk_va_list_ty(hir::Mutability::Not) {
                 Some((va_list_ref_ty, va_list_ty)) => {
                     let va_list_ptr_ty = Ty::new_mut_ptr(tcx, va_list_ty);
-                    (0, vec![va_list_ptr_ty, va_list_ref_ty], Ty::new_unit(tcx))
+                    (0, 0, vec![va_list_ptr_ty, va_list_ref_ty], Ty::new_unit(tcx))
                 }
                 None => bug!("`va_list` language item needed for C-variadic intrinsics"),
             },
 
             sym::va_arg => match mk_va_list_ty(hir::Mutability::Mut) {
-                Some((va_list_ref_ty, _)) => (1, vec![va_list_ref_ty], param(0)),
+                Some((va_list_ref_ty, _)) => (1, 0, vec![va_list_ref_ty], param(0)),
                 None => bug!("`va_list` language item needed for C-variadic intrinsics"),
             },
 
             sym::nontemporal_store => {
-                (1, vec![Ty::new_mut_ptr(tcx, param(0)), param(0)], Ty::new_unit(tcx))
+                (1, 0, vec![Ty::new_mut_ptr(tcx, param(0)), param(0)], Ty::new_unit(tcx))
             }
 
             sym::raw_eq => {
                 let br = ty::BoundRegion { var: ty::BoundVar::from_u32(0), kind: ty::BrAnon };
                 let param_ty =
                     Ty::new_imm_ref(tcx, ty::Region::new_bound(tcx, ty::INNERMOST, br), param(0));
-                (1, vec![param_ty; 2], tcx.types.bool)
+                (1, 0, vec![param_ty; 2], tcx.types.bool)
             }
 
-            sym::black_box => (1, vec![param(0)], param(0)),
+            sym::black_box => (1, 0, vec![param(0)], param(0)),
 
-            sym::is_val_statically_known => (1, vec![param(0)], tcx.types.bool),
+            sym::is_val_statically_known => (1, 0, vec![param(0)], tcx.types.bool),
 
-            sym::const_eval_select => (4, vec![param(0), param(1), param(2)], param(3)),
+            sym::const_eval_select => (4, 0, vec![param(0), param(1), param(2)], param(3)),
 
             sym::vtable_size | sym::vtable_align => {
-                (0, vec![Ty::new_imm_ptr(tcx, Ty::new_unit(tcx))], tcx.types.usize)
+                (0, 0, vec![Ty::new_imm_ptr(tcx, Ty::new_unit(tcx))], tcx.types.usize)
             }
 
-            sym::debug_assertions => (0, Vec::new(), tcx.types.bool),
+            sym::debug_assertions => (0, 0, Vec::new(), tcx.types.bool),
 
             other => {
                 tcx.dcx().emit_err(UnrecognizedIntrinsicFunction { span, name: other });
                 return;
             }
         };
-        (n_tps, 0, inputs, output, unsafety)
+        (n_tps, 0, n_cts, inputs, output, unsafety)
     };
     let sig = tcx.mk_fn_sig(inputs, output, false, unsafety, Abi::RustIntrinsic);
     let sig = ty::Binder::bind_with_vars(sig, bound_vars);
-    equate_intrinsic_type(tcx, span, intrinsic_id, n_tps, n_lts, 0, sig)
+    equate_intrinsic_type(tcx, span, intrinsic_id, n_tps, n_lts, n_cts, sig)
 }
 
 /// Type-check `extern "platform-intrinsic" { ... }` functions.