make sure a manual yield partial finds the correct parent element

src/view/items/Section.js

@@ -155,7 +155,7 @@ export default class Section extends MustacheContainer {
       if (this.rendered) this.fragment.unbind().unrender(true);
       this.fragment = null;
     } else if (this.rendered && !this.yield && value instanceof Context) {
-      if (this.rendered) this.fragment.unbind().unrender(true);
+      if (this.rendered && this.fragment) this.fragment.unbind().unrender(true);
       this.fragment = null;
     }
 

src/view/items/shared/findElement.js

@@ -8,7 +8,7 @@ export default function findElement(start, orComponent = true, name) {
   ) {
     // start is a fragment - look at the owner
     if (start.owner) start = start.owner;
-    else if (start.component)
+    else if (start.component || start.yield)
       // start is a component or yielder - look at the container
       start = start.containerFragment || start.component.up;
     else if (start.parent)

tests/browser/partials.js

@@ -1317,4 +1317,19 @@ export default function() {
     r.set('part', 'bar');
     t.htmlEqual(fixture.innerHTML, '(bar 1)(bar 2)');
   });
+
+  test(`manual yield via partial with context context finds correct parent element`, t => {
+    const r = new Ractive({
+      target: fixture,
+      template: `<p>{{#with foo.bar}}<div />{{/with}}</p>{{#if !!.ctx}}<span {{>.bar .ctx}}></span>{{/if}}`,
+      data: {
+        foo: { bar: { baz: 'sure' } },
+        bar: Ractive.parse('data-foo="{{.baz}}"', { attributes: true }).t
+      }
+    });
+
+    r.set('ctx', r.getContext('div'));
+
+    t.htmlEqual(fixture.innerHTML, '<p><div></div></p><span data-foo="sure"></span>');
+  });
 }