fix: strip comments from inline style values in linear time

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

.changeset/strip-style-comments.md

@@ -0,0 +1,5 @@
+---
+'svelte': patch
+---
+
+fix: strip comments from inline `style` values in linear time

packages/svelte/src/internal/shared/attributes.js

@@ -142,8 +142,9 @@ export function to_style(value, styles) {
 		}
 
 		if (value) {
+			// strip comments; surrounding whitespace is handled by the trims below
 			value = String(value)
-				.replaceAll(/\s*\/\*.*?\*\/\s*/g, '')
+				.replaceAll(/\/\*.*?\*\//g, '')
 				.trim();
 
 			/** @type {boolean | '"' | "'"} */