Mark only unreachable parts of element if it has reachable parts

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

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

@@ -0,0 +1,39 @@
+fun testBinary1() {
+    fun Int.times(<!UNUSED_PARAMETER!>s<!>: String) {}
+
+    todo() <!UNREACHABLE_CODE!>* ""<!>
+}
+fun testBinary2() {
+    "1" <!UNREACHABLE_CODE!>+<!> todo()
+}
+
+fun testElvis1() {
+    <!USELESS_ELVIS!>todo()<!> <!UNREACHABLE_CODE!>?: ""<!>
+}
+
+fun testElvis2(s: String?) {
+    s ?: todo()
+
+    bar()
+}
+
+fun testAnd1(b: Boolean) {
+    b && todo()
+
+    bar()
+}
+
+fun testAnd2(<!UNUSED_PARAMETER!>b<!>: Boolean) {
+    todo() <!UNREACHABLE_CODE!>&& b<!>
+}
+
+fun returnInBinary1(): Boolean {
+    (return true) <!UNREACHABLE_CODE!>&& (return false)<!>
+}
+
+fun returnInBinary2(): Boolean {
+    (return true) <!UNREACHABLE_CODE!>|| (return false)<!>
+}
+
+fun todo() = throw Exception()
+fun bar() {}