fix #1780 just start use parent instead parent.parent in IfBlock wrapper

src/compile/render-dom/wrappers/IfBlock.ts

@@ -41,7 +41,7 @@ class IfBlockBranch extends Wrapper {
 			)
 		});
 
-		this.fragment = new FragmentWrapper(renderer, this.block, node.children, parent.parent, stripWhitespace, nextSibling);
+		this.fragment = new FragmentWrapper(renderer, this.block, node.children, parent, stripWhitespace, nextSibling);
 
 		this.isDynamic = this.block.dependencies.size > 0;
 	}

test/runtime/samples/each-block-in-if-block/_config.js

@@ -0,0 +1,13 @@
+export default {
+	data: {
+		dummy: false,
+		fruits: ['Apple', 'Banana', 'Tomato'],
+	},
+
+	html: '<div><div>Apple</div><div>Banana</div><div>Tomato</div></div>',
+
+	test ( assert, component, target ) {
+		component.set({ dummy: true });
+		assert.htmlEqual(target.innerHTML, '<div><div>Apple</div><div>Banana</div><div>Tomato</div></div>' );
+	}
+};

test/runtime/samples/each-block-in-if-block/main.html

@@ -0,0 +1,7 @@
+<div>
+	{#if fruits}
+		{#each fruits as fruit (fruit)}
+			<div>{fruit}</div>
+		{/each}
+	{/if}
+</div>