Hack: do not add trivial constraints (t <: Any?) for constituent types,

otherwise nested calls handling logic in old inference wouldn't work for type alias constructors.

compiler/testData/diagnostics/testsWithStdLib/typealias/hashMapTypeAlias.kt

@@ -0,0 +1,20 @@
+import kotlin.test.*
+import java.util.*
+
+typealias HM<Kt, Vt> = HashMap<Kt, Vt>
+
+fun <K, V, M : MutableMap<in K, MutableList<V>>> updateMap(map: M, k: K, v: V): M {
+    map[k]!!.add(v)
+    return map
+}
+
+val nameToTeam = listOf("Alice" to "Marketing", "Bob" to "Sales", "Carol" to "Marketing")
+val namesByTeam = nameToTeam.groupBy({ it.second }, { it.first })
+
+val mutableNamesByTeam1 = updateMap(HM(), "", "")
+val mutableNamesByTeam2 = updateMap(HashMap(), "", "")
+
+fun test() {
+    assertEquals(namesByTeam, mutableNamesByTeam1)
+    assertEquals(namesByTeam, mutableNamesByTeam2)
+}

compiler/testData/diagnostics/testsWithStdLib/typealias/hashMapTypeAlias.txt

@@ -0,0 +1,9 @@
+package
+
+public val mutableNamesByTeam1: java.util.HashMap<kotlin.String, kotlin.collections.MutableList<kotlin.String>>
+public val mutableNamesByTeam2: java.util.HashMap<kotlin.String, kotlin.collections.MutableList<kotlin.String>>
+public val nameToTeam: kotlin.collections.List<kotlin.Pair<kotlin.String, kotlin.String>>
+public val namesByTeam: kotlin.collections.Map<kotlin.String, kotlin.collections.List<kotlin.String>>
+public fun test(): kotlin.Unit
+public fun </*0*/ K, /*1*/ V, /*2*/ M : kotlin.collections.MutableMap<in K, kotlin.collections.MutableList<V>>> updateMap(/*0*/ map: M, /*1*/ k: K, /*2*/ v: V): M
+public typealias HM</*0*/ Kt, /*1*/ Vt>  = java.util.HashMap<Kt, Vt>