Fix incorrect definition and usage of REUSABLE_TYPE_PARAMETERS_HANDLESCOPE

Closes #55122

GitOrigin-RevId: c0358e1
Change-Id: I5b01deb6d69bef94a437a4b3fdcd8de1fd8fe061
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/356100
Reviewed-by: Slava Egorov <[email protected]>
Commit-Queue: Slava Egorov <[email protected]>

Author: akemimadoka

runtime/vm/object.cc

@@ -3645,7 +3645,7 @@ intptr_t Class::NumTypeParameters(Thread* thread) const {
   if (type_parameters() == TypeParameters::null()) {
     return 0;
   }
-  REUSABLE_TYPE_ARGUMENTS_HANDLESCOPE(thread);
+  REUSABLE_TYPE_PARAMETERS_HANDLESCOPE(thread);
   TypeParameters& type_params = thread->TypeParametersHandle();
   type_params = type_parameters();
   return type_params.Length();

runtime/vm/reusable_handles.h

@@ -109,7 +109,7 @@ REUSABLE_HANDLE_LIST(REUSABLE_SCOPE)
 #define REUSABLE_STRING_HANDLESCOPE(thread)                                    \
   ReusableStringHandleScope reused_string_handle(thread);
 #define REUSABLE_TYPE_PARAMETERS_HANDLESCOPE(thread)                           \
-  ReusableTypeArgumentsHandleScope reused_type_parameters_handle(thread);
+  ReusableTypeParametersHandleScope reused_type_parameters_handle(thread);
 #define REUSABLE_TYPE_ARGUMENTS_HANDLESCOPE(thread)                            \
   ReusableTypeArgumentsHandleScope reused_type_arguments_handle(thread);
 #define REUSABLE_TYPE_PARAMETER_HANDLESCOPE(thread)                            \