From 0510c71dcb7d84c842cdcb1586391ea2fd1f5081 Mon Sep 17 00:00:00 2001
From: Ingvar Stepanyan <me@rreverser.com>
Date: Thu, 12 Oct 2023 23:53:17 +0100
Subject: [PATCH] Revert "Move reserved handle check to C++ too"

This reverts commit e15a9f7eee0f397e11dbee38b467edbc7fff62db.
---
 src/embind/emval.js             |  4 +++-
 system/include/emscripten/val.h | 11 ++++-------
 2 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/src/embind/emval.js b/src/embind/emval.js
index e8967b1e26b3..9ceef12b5200 100644
--- a/src/embind/emval.js
+++ b/src/embind/emval.js
@@ -80,7 +80,9 @@ var LibraryEmVal = {
 
   _emval_free__deps: ['$emval_handles'],
   _emval_free: (handle) => {
-    emval_handles.free(handle);
+    if (handle >= emval_handles.reserved) {
+      emval_handles.free(handle);
+    }
   },
 
   _emval_run_destructors__deps: ['_emval_free', '$Emval', '$runDestructors'],
diff --git a/system/include/emscripten/val.h b/system/include/emscripten/val.h
index fc826ee1b001..3495e9c9c006 100644
--- a/system/include/emscripten/val.h
+++ b/system/include/emscripten/val.h
@@ -38,10 +38,9 @@ void _emval_register_symbol(const char*);
 
 enum {
   _EMVAL_UNDEFINED = 1,
-  _EMVAL_NULL,
-  _EMVAL_TRUE,
-  _EMVAL_FALSE,
-  _EMVAL_UNRESERVED_START
+  _EMVAL_NULL = 2,
+  _EMVAL_TRUE = 3,
+  _EMVAL_FALSE = 4
 };
 
 typedef struct _EM_DESTRUCTORS* EM_DESTRUCTORS;
@@ -340,9 +339,7 @@ struct val_metadata {
 
   // should be only accessible from dec_ref
   ~val_metadata() {
-    if (handle >= EM_VAL(internal::_EMVAL_UNRESERVED_START)) {
-      internal::_emval_free(handle);
-    }
+    _emval_free(handle);
   }
 };