Control Flow: Fix CFG usage info for double-colon expressions

#KT-12551 Fixed
 #KT-17092 Fixed

compiler/frontend/src/org/jetbrains/kotlin/cfg/ControlFlowProcessor.kt

@@ -1450,9 +1450,8 @@ class ControlFlowProcessor(private val trace: BindingTrace) {
             val receiverExpression = expression.receiverExpression
             if (receiverExpression != null &&
                 trace.bindingContext.get(BindingContext.DOUBLE_COLON_LHS, receiverExpression) is DoubleColonLHS.Expression) {
-                // TODO: UNUSED_EXPRESSION is not reported on the whole expression, see KT-12551
                 generateInstructions(receiverExpression)
-                createSyntheticValue(expression, MagicKind.BOUND_CALLABLE_REFERENCE, receiverExpression)
+                createNonSyntheticValue(expression, MagicKind.BOUND_CALLABLE_REFERENCE, receiverExpression)
             }
             else {
                 createNonSyntheticValue(expression, MagicKind.UNBOUND_CALLABLE_REFERENCE)

compiler/frontend/src/org/jetbrains/kotlin/cfg/pseudocode/instructions/eval/operationInstructions.kt

@@ -134,7 +134,7 @@ enum class MagicKind(val sideEffectFree: Boolean = false) {
     IS(),
     CAST(),
     UNBOUND_CALLABLE_REFERENCE(true),
-    BOUND_CALLABLE_REFERENCE(),
+    BOUND_CALLABLE_REFERENCE(true),
     // implicit operations
     LOOP_RANGE_ITERATION(),
     IMPLICIT_RECEIVER(),