clippy fixes.

Author: fluffysquirrels

crates/rustc_codegen_spirv/src/linker/duplicates.rs

@@ -104,7 +104,7 @@ fn gather_annotations(annotations: &[Instruction]) -> FxHashMap<Word, Vec<u32>>
         .collect()
 }
 
-/// Returns a map from an ID to its debug name (given by OpName).
+/// Returns a map from an ID to its debug name (given by `OpName`).
 fn gather_names(debug_names: &[Instruction]) -> FxHashMap<Word, String> {
     debug_names
         .iter()
@@ -188,7 +188,7 @@ fn rewrite_inst_with_rules(inst: &mut Instruction, rules: &FxHashMap<u32, u32>)
     }
 }
 
-/// Remove duplicate OpName and OpMemberName instructions from module debug names section.
+/// Remove duplicate `OpName` and `OpMemberName` instructions from module debug names section.
 fn remove_duplicate_debug_names(debug_names: &mut Vec<Instruction>) {
     let mut name_ids = FxHashSet::default();
     let mut member_name_ids = FxHashSet::default();
@@ -618,7 +618,7 @@ pub fn remove_duplicate_builtin_input_variables(module: &mut Module) {
 
         entry.operands.retain(|operand| {
             !matches!(operand,
-                      Operand::IdRef(id) if duplicate_vars.contains_key(&id))
+                      Operand::IdRef(id) if duplicate_vars.contains_key(id))
         });
     }