From 8dea7d1c5275dad78768b3e8eb71285b4849b7a5 Mon Sep 17 00:00:00 2001
From: paoloricciuti <ricciutipaolo@gmail.com>
Date: Sat, 31 Jan 2026 21:26:53 +0100
Subject: [PATCH] fix: avoid double loop

---
 packages/svelte/src/compiler/phases/2-analyze/index.js | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/packages/svelte/src/compiler/phases/2-analyze/index.js b/packages/svelte/src/compiler/phases/2-analyze/index.js
index fdd7b9d6e1..b01858690e 100644
--- a/packages/svelte/src/compiler/phases/2-analyze/index.js
+++ b/packages/svelte/src/compiler/phases/2-analyze/index.js
@@ -764,16 +764,12 @@ export function analyze_component(root, source, options) {
 						w.non_reactive_update(binding.node, name);
 						continue outer;
 					}
+				} else if (binding.kind === 'bindable_prop' && !binding.updated) {
+					// this check only applies to instance but we check here to avoid a second loop
+					w.bindable_prop_not_mutated(binding.node, name);
 				}
 			}
 		}
-
-		// warn on bindable props that are never mutated or reassigned
-		for (const [name, binding] of instance.scope.declarations) {
-			if (binding.kind === 'bindable_prop' && !binding.updated) {
-				w.bindable_prop_not_mutated(binding.node, name);
-			}
-		}
 	} else {
 		instance.scope.declare(b.id('$$props'), 'rest_prop', 'synthetic');
 		instance.scope.declare(b.id('$$restProps'), 'rest_prop', 'synthetic');