Auto merge of #120486 - reitermarkus:use-generic-nonzero, r=dtolnay

Use generic `NonZero` internally.

Tracking issue: https://github.com/rust-lang/rust/issues/120257

compiler/rustc_hir_analysis/src/lib.rs

@@ -63,6 +63,7 @@ This API is completely unstable and subject to change.
 #![feature(rustdoc_internals)]
 #![allow(internal_features)]
 #![feature(control_flow_enum)]
+#![feature(generic_nonzero)]
 #![feature(if_let_guard)]
 #![feature(is_sorted)]
 #![feature(iter_intersperse)]