fix: catch clause scope (#11209)

Author: tanhauhau

packages/svelte/src/compiler/phases/scope.js

@@ -506,7 +506,7 @@ export function create_scopes(ast, root, allow_reactive_declarations, parent) {
 				scopes.set(node, scope);
 
 				for (const id of extract_identifiers(node.param)) {
-					state.scope.declare(id, 'normal', 'let');
+					scope.declare(id, 'normal', 'let');
 				}
 
 				next({ scope });

packages/svelte/tests/validator/samples/js-scope-catch-clause/input.svelte

@@ -0,0 +1,16 @@
+<script>
+	function test() {
+		try {
+			throw new TypeError("oops1");
+		} catch (error) {
+			console.log(error);
+		}
+		
+		try {
+			throw new TypeError("oops2");
+		} catch (error) {
+			console.log(error);
+		}
+	}
+	test();
+</script>