added consts, masked a lint in reflect.h2 to pass clang-tidy

Author: farmerpiki

source/reflect.h

@@ -3642,7 +3642,7 @@ parse_context_branch_reset_state::parse_context_branch_reset_state(){}
 #line 1978 "reflect.h2"
     [[nodiscard]] auto parse_context::grab_until_impl(cpp2::impl::in<std::string> e, cpp2::impl::out<std::string> r, cpp2::impl::in<bool> any) & -> bool
     {
-        auto end {pos}; 
+        auto end {pos}; // NOLINT(clang-analyzer-deadcode.DeadStores)
         if (any) {
             end = regex.find_first_of(e, pos);
         }

source/reflect.h2

@@ -1977,7 +1977,7 @@ parse_context: type =
 
     private grab_until_impl: (inout this, in e: std::string, out r: std::string, any: bool) -> bool = 
     {
-        end:= pos;
+        end:= pos; // NOLINT(clang-analyzer-deadcode.DeadStores)
         if any {
             end = regex..find_first_of(e, pos);
         }