Merge pull request #2543 from jches/gh/2542

Fix is_hoistable cycle

src/compile/Component.ts

@@ -1002,6 +1002,8 @@ export default class Component {
 
 								if (walking.has(other_declaration)) {
 									hoistable = false;
+								} else if (other_declaration.type === 'ExportNamedDeclaration' && walking.has(other_declaration.declaration)) {
+									hoistable = false;
 								} else if (!is_hoistable(other_declaration)) {
 									hoistable = false;
                 }

test/runtime/samples/export-function-hoisting/_config.js

@@ -0,0 +1,3 @@
+export default {
+  html: 'Compile plz'
+}

test/runtime/samples/export-function-hoisting/main.svelte

@@ -0,0 +1,11 @@
+<script>
+	export function one () {
+    two()
+	}
+
+	export function two () {
+		return one()
+	}
+</script>
+
+Compile plz