test: add failed case

Author: KazariEX

packages/compiler-core/__tests__/parse.spec.ts

@@ -2271,6 +2271,12 @@ describe('compiler: parse', () => {
       expect(span.loc.start.offset).toBe(0)
       expect(span.loc.end.offset).toBe(27)
     })
+
+    test('correct loc when a line in attribute value ends with &', () => {
+      const [span] = baseParse(`<span v-if="foo &&\nbar"></span>`).children
+
+      expect(span.loc.end.line).toBe(2)
+    })
   })
 
   describe('decodeEntities option', () => {