Fixed incorrect number of history entries

src/core/CompileReturn.go

@@ -8,9 +8,8 @@ import (
 
 // CompileReturn compiles a return instruction.
 func (f *Function) CompileReturn(node *ast.Return) error {
-	defer f.Return()
-
 	if len(node.Values) == 0 {
+		f.Return()
 		return nil
 	}
 
@@ -27,12 +26,13 @@ func (f *Function) CompileReturn(node *ast.Return) error {
 
 		if !types.Is(typ, f.Output[i].Type) {
 			if f.Package == "mem" && f.Name == "alloc" {
-				return nil
+				continue
 			}
 
 			return errors.New(&errors.TypeMismatch{Encountered: typ.Name(), Expected: f.Output[i].Type.Name(), ParameterName: "", IsReturn: true}, f.File, node.Values[i].Token.Position)
 		}
 	}
 
+	f.Return()
 	return nil
 }