Merge pull request #21880 from cuiweixie/fix/shim-ptr-guaranteed-cmp-error-msg

fix: Correct internal error message for ptr_guaranteed_cmp shim

crates/hir-ty/src/generics.rs

diff --git a/crates/hir-ty/src/generics.rs b/crates/hir-ty/src/generics.rs
index b1500bc..b3c888d 100644
--- a/crates/hir-ty/src/generics.rs
+++ b/crates/hir-ty/src/generics.rs
@@ -185,7 +185,7 @@
         if param.parent == self.def {
             let idx = param.local_id.into_raw().into_u32() as usize;
             debug_assert!(
-                idx <= self.params.len_type_or_consts(),
+                idx < self.params.len_type_or_consts(),
                 "idx: {} len: {}",
                 idx,
                 self.params.len_type_or_consts()