diff --git a/compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/variableCallInsideBuilderFunction.kt b/compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/variableCallInsideBuilderFunction.kt
index 25a929657b2..17ba9ad9d2f 100644
--- a/compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/variableCallInsideBuilderFunction.kt
+++ b/compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/variableCallInsideBuilderFunction.kt
@@ -2,6 +2,17 @@
 // !DIAGNOSTICS: -UNUSED_PARAMETER
 // !USE_EXPERIMENTAL: kotlin.Experimental
 
-fun test(x: List<Int>) {
-    x + x
-}
\ No newline at end of file
+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)
+    }