From 64c55c6dafb40a2d2cdb1e7f373ed901dd771273 Mon Sep 17 00:00:00 2001
From: Fabrice Bellard <fabrice@bellard.org>
Date: Fri, 3 Oct 2025 16:52:17 +0200
Subject: [PATCH] removed JS_PROP_NO_ADD

---
 quickjs.c | 14 +++-----------
 quickjs.h |  3 +--
 2 files changed, 4 insertions(+), 13 deletions(-)

diff --git a/quickjs.c b/quickjs.c
index 9c04108..8446742 100644
--- a/quickjs.c
+++ b/quickjs.c
@@ -8973,11 +8973,9 @@ static void js_free_desc(JSContext *ctx, JSPropertyDescriptor *desc)
 }
 
 /* return -1 in case of exception or TRUE or FALSE. Warning: 'val' is
-   freed by the function. 'flags' is a bitmask of JS_PROP_NO_ADD,
-   JS_PROP_THROW or JS_PROP_THROW_STRICT. If JS_PROP_NO_ADD is set,
-   the new property is not added and an error is raised. 'this_obj' is
-   the receiver. If obj != this_obj, then obj must be an object
-   (Reflect.set case). */
+   freed by the function. 'flags' is a bitmask of JS_PROP_THROW and
+   JS_PROP_THROW_STRICT. 'this_obj' is the receiver. If obj !=
+   this_obj, then obj must be an object (Reflect.set case). */
 int JS_SetPropertyInternal(JSContext *ctx, JSValueConst obj,
                            JSAtom prop, JSValue val, JSValueConst this_obj, int flags)
 {
@@ -9173,12 +9171,6 @@ int JS_SetPropertyInternal(JSContext *ctx, JSValueConst obj,
         }
     }
 
-    if (unlikely(flags & JS_PROP_NO_ADD)) {
-        JS_FreeValue(ctx, val);
-        JS_ThrowReferenceErrorNotDefined(ctx, prop);
-        return -1;
-    }
-
     if (unlikely(!p)) {
         JS_FreeValue(ctx, val);
         return JS_ThrowTypeErrorOrFalse(ctx, flags, "not an object");
diff --git a/quickjs.h b/quickjs.h
index c8cd149..cad3652 100644
--- a/quickjs.h
+++ b/quickjs.h
@@ -319,8 +319,7 @@ static inline JSValue __JS_NewShortBigInt(JSContext *ctx, int64_t d)
    (JS_SetProperty) */
 #define JS_PROP_THROW_STRICT     (1 << 15)
 
-#define JS_PROP_NO_ADD           (1 << 16) /* internal use */
-#define JS_PROP_NO_EXOTIC        (1 << 17) /* internal use */
+#define JS_PROP_NO_EXOTIC        (1 << 16) /* internal use */
 
 #ifndef JS_DEFAULT_STACK_SIZE
 #define JS_DEFAULT_STACK_SIZE (1024 * 1024)