const folding: silence clippy in macro

Author: Firestar99

crates/rustc_codegen_spirv/src/builder/builder_methods.rs

@@ -192,19 +192,21 @@ macro_rules! simple_uni_op {
         fn $func_name(&mut self, val: Self::Value) -> Self::Value {
             let result_type = val.ty;
 
-            $(if let Some(const_val) = self.try_get_const_int_value(val) {
-                #[allow(unreachable_patterns)]
-                match const_val {
-                    $(
-                        ConstValue::Unsigned($int_val) => return self.const_uint_big(result_type, $fold_int),
-                        ConstValue::Signed($int_val) => return self.const_uint_big(result_type, $fold_int as u128),
-                    )?
-                    $(ConstValue::Unsigned($uint_val) => return self.const_uint_big(result_type, $fold_uint), )?
-                    $(ConstValue::Signed($sint_val) => return self.const_uint_big(result_type, $fold_sint as u128), )?
-                    $(ConstValue::Bool($bool_val) => return self.const_uint_big(result_type, ($fold_bool).into()), )?
-                    _ => (),
+            $(
+                #[allow(unreachable_patterns, clippy::collapsible_match)]
+                if let Some(const_val) = self.try_get_const_int_value(val) {
+                    match const_val {
+                        $(
+                            ConstValue::Unsigned($int_val) => return self.const_uint_big(result_type, $fold_int),
+                            ConstValue::Signed($int_val) => return self.const_uint_big(result_type, $fold_int as u128),
+                        )?
+                        $(ConstValue::Unsigned($uint_val) => return self.const_uint_big(result_type, $fold_uint), )?
+                        $(ConstValue::Signed($sint_val) => return self.const_uint_big(result_type, $fold_sint as u128), )?
+                        $(ConstValue::Bool($bool_val) => return self.const_uint_big(result_type, ($fold_bool).into()), )?
+                        _ => (),
+                    }
                 }
-            })?
+            )?
 
             match self.lookup_type(result_type) {
                 $(SpirvType::Integer(_, _) => {