analysis: fix integer overflow in debug mode

Author: jf2048

src/analysis/function_parameters.rs

@@ -240,7 +240,12 @@ pub fn analyze(
             }
         };
 
-        if async_func && to_remove.contains(&(pos - correction_instance)) {
+        if async_func
+            && pos
+                .checked_sub(correction_instance)
+                .map(|p| to_remove.contains(&p))
+                .unwrap_or(false)
+        {
             add_rust_parameter = false;
         }
         let mut transfer = par.transfer;

src/analysis/functions.rs

@@ -735,7 +735,12 @@ fn analyze_function(
                     correction_instance = 1;
                 }
 
-                if r#async && to_remove.contains(&(pos - correction_instance)) {
+                if r#async
+                    && pos
+                        .checked_sub(correction_instance)
+                        .map(|p| to_remove.contains(&p))
+                        .unwrap_or(false)
+                {
                     continue;
                 }
                 assert!(