regenerated diagnostics tests

compiler/testData/diagnostics/tests/inference/mapFunction.kt

@@ -0,0 +1,28 @@
+package a
+
+//+JDK
+import java.util.*
+
+fun foo() {
+    val v = array(1, 2, 3)
+
+    val u = v map { it * 2 }
+
+    u : List<Int>
+}
+
+
+// ---------------------
+// copy from kotlin util
+
+fun <T> array(vararg t : T) : Array<T> = t
+
+fun <T, R> Array<T>.map(transform : (T) -> R) : java.util.List<R> {
+    return mapTo(java.util.ArrayList<R>(this.size), transform)
+}
+
+fun <T, R, C: Collection<in R>> Array<T>.mapTo(result: C, transform : (T) -> R) : C {
+  for (item in this)
+    result.add(transform(item))
+  return result
+}