improve old comment

diff --git a/src/shims/unix/foreign_items.rs b/src/shims/unix/foreign_items.rs
index 4993690767c146f35b95658b9c268319cd25dc13..d0c93ef4cdaf3c793e5a7f2d4eaa8931ca4f2a03 100644 (file)
--- a/src/shims/unix/foreign_items.rs
+++ b/src/shims/unix/foreign_items.rs
@@ -463,10 +463,10 @@ fn emulate_foreign_item_by_name(
 
             // Querying system information
             "pthread_attr_getstack" => {
-                // We don't support "pthread_attr_setstack", so we just pretend all stacks have the same values here.
+                // We don't support "pthread_attr_setstack", so we just pretend all stacks have the same values here. Hence we can mostly ignore the input `attr_place`.
                 let [attr_place, addr_place, size_place] =
                     this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?;
-                this.deref_operand(attr_place)?;
+                let _attr_place = this.deref_operand(attr_place)?;
                 let addr_place = this.deref_operand(addr_place)?;
                 let size_place = this.deref_operand(size_place)?;