KT-6081 Chained generic method calls: wrong type inference

#KT-6081 Fixed

compiler/testData/diagnostics/tests/inference/substitutions/substitutionIntoInnerClass.kt

@@ -0,0 +1,22 @@
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+
+class Outer<T> {
+    inner class Inner<I> {
+        fun getOuter(): Outer<T> = this@Outer
+        fun <R> genericFun(r: R): Outer<T> = this@Outer
+    }
+    fun useOuterParam(t: T) {}
+}
+
+fun test1() {
+    Outer<Int>().Inner<String>().getOuter().useOuterParam(22)
+    Outer<Int>().Inner<String>().getOuter().useOuterParam(<!TYPE_MISMATCH!>""<!>)
+}
+
+
+class A
+class B
+
+fun test1(a: A, b: B) {
+    Outer<Int>().Inner<String>().genericFun(a).Inner<Double>().genericFun(b)
+}