UNUSED_VALUE is now reported on expression only if this expression is unused in all (e.g. finally) branches #KT-9825 Fixed

(cherry picked from commit aac8e94)

compiler/testData/diagnostics/tests/controlFlowAnalysis/assignedInFinally.kt

@@ -0,0 +1,10 @@
+fun test5() {
+    var a: Int
+    try {
+        <!UNUSED_VALUE!>a =<!> 3
+    }
+    finally {
+        a = 5
+    }
+    a.hashCode()
+}

compiler/testData/diagnostics/tests/controlFlowAnalysis/assignedInFinally.txt

@@ -0,0 +1,3 @@
+package
+
+public fun test5(): kotlin.Unit