From 7d9df9afc342d33b18b43c3c76718d2b5f2d23ef Mon Sep 17 00:00:00 2001
From: Rich Harris <rich.harris@vercel.com>
Date: Tue, 7 Apr 2026 17:41:11 -0400
Subject: [PATCH] WIP

---
 .../svelte/src/compiler/phases/1-parse/read/expression.js    | 5 ++---
 packages/svelte/src/compiler/phases/1-parse/state/tag.js     | 4 +++-
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/packages/svelte/src/compiler/phases/1-parse/read/expression.js b/packages/svelte/src/compiler/phases/1-parse/read/expression.js
index b970e62f51..92010a16ed 100644
--- a/packages/svelte/src/compiler/phases/1-parse/read/expression.js
+++ b/packages/svelte/src/compiler/phases/1-parse/read/expression.js
@@ -27,16 +27,15 @@ export function get_loose_identifier(parser, opening_token) {
 /**
  * @param {Parser} parser
  * @param {string} [opening_token]
- * @param {boolean} [disallow_loose]
  * @returns {Expression}
  */
-export default function read_expression(parser, opening_token, disallow_loose) {
+export default function read_expression(parser, opening_token) {
 	try {
 		return /** @type {Expression} */ (parse_expression_at(parser, parser.template, parser.index));
 	} catch (err) {
 		// If we are in an each loop we need the error to be thrown in cases like
 		// `as { y = z }` so we still throw and handle the error there
-		if (parser.loose && !disallow_loose) {
+		if (parser.loose) {
 			const expression = get_loose_identifier(parser, opening_token);
 			if (expression) {
 				return expression;
diff --git a/packages/svelte/src/compiler/phases/1-parse/state/tag.js b/packages/svelte/src/compiler/phases/1-parse/state/tag.js
index 606ce99d1e..1eb163819d 100644
--- a/packages/svelte/src/compiler/phases/1-parse/state/tag.js
+++ b/packages/svelte/src/compiler/phases/1-parse/state/tag.js
@@ -93,7 +93,9 @@ function open(parser) {
 		// we get a valid expression
 		while (!expression) {
 			try {
-				expression = read_expression(parser, undefined, true);
+				expression = /** @type {Expression} */ (
+					parse_expression_at(parser, parser.template, parser.index)
+				);
 			} catch (err) {
 				end = /** @type {any} */ (err).position[0] - 2;