[FIR] Add discriminating generics into ConeOverloadConflictResolver

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/variableCallInsideBuilderFunction.kt

@@ -2,17 +2,6 @@
 // !DIAGNOSTICS: -UNUSED_PARAMETER
 // !USE_EXPERIMENTAL: kotlin.Experimental
 
-import kotlin.experimental.ExperimentalTypeInference
-
-interface ProducerScope<E> {
-    fun yield(e: E)
-}
-
-@UseExperimental(ExperimentalTypeInference::class)
-fun <E> produce(@BuilderInference block: ProducerScope<E>.() -> Unit): ProducerScope<E> = TODO()
-
-fun <K> filter(e: K, predicate: (K) -> Boolean) =
-    produce {
-        predicate(e)
-        yield(42)
-    }
+fun test(x: List<Int>) {
+    x + x
+}