Use vec![0; size] instead of creating an empty Vec and resizing.

lib/jit/src/action.rs

@@ -158,9 +158,8 @@ pub fn invoke(
 
     // TODO: Support values larger than u64. And pack the values into memory
     // instead of just using fixed-sized slots.
-    let mut values_vec: Vec<u64> = Vec::new();
     let value_size = mem::size_of::<u64>();
-    values_vec.resize(max(signature.params.len(), signature.returns.len()), 0u64);
+    let mut values_vec: Vec<u64> = vec![0; max(signature.params.len(), signature.returns.len())];
 
     // Store the argument values into `values_vec`.
     for (index, arg) in args.iter().enumerate() {

lib/runtime/src/table.rs

@@ -25,18 +25,10 @@ impl Table {
         };
 
         match plan.style {
-            TableStyle::CallerChecksSignature => {
+            TableStyle::CallerChecksSignature => Self {
-                let mut vec = Vec::with_capacity(plan.table.minimum as usize);
+                vec: vec![VMCallerCheckedAnyfunc::default(); plan.table.minimum as usize],
-                vec.resize(
+                maximum: plan.table.maximum,
-                    plan.table.minimum as usize,
+            },
-                    VMCallerCheckedAnyfunc::default(),
-                );
-
-                Self {
-                    vec,
-                    maximum: plan.table.maximum,
-                }
-            }
         }
     }