### Steps to reproduce JaCoCo version: 0.8.5-SNAPSHOT Operating system: Linux pop-os 5.0.0-20-generic Tool integration: gradle Test this production code: ```kotlin data class Foo(val x: Long = 0) ``` by this test: ```kotlin class FooTest { @Test fun test() { assertEquals(1, Foo(1).x) assertEquals(0, Foo().x) } } ``` ### Expected behaviour All instructions and branches are covered ### Actual behaviour All instructions are covered but 50% of branches are NOT covered. 