Mark only unreachable parts of element if it has reachable parts

like for 'return todo()' mark only 'return'

compiler/testData/diagnostics/tests/controlFlowAnalysis/deadCode/deadCallInInvokeCall.kt

@@ -0,0 +1,11 @@
+fun testInvoke() {
+    fun Nothing.invoke() = this
+    todo()<!UNREACHABLE_CODE!>()<!>
+}
+
+fun testInvokeWithLambda() {
+    fun Nothing.invoke(<!UNUSED_PARAMETER!>i<!>: Int, f: () -> Int) = f
+    todo()<!UNREACHABLE_CODE!>(1){ 42 }<!>
+}
+
+fun todo() = throw Exception()