Fix type parameters indexes of MockClassDescriptor

Exception was thrown during mapping of arguments to parameters in `computeSupertypeProjections`

 #KT-18522 Fixed

compiler/testData/compileKotlinAgainstCustomBinaries/computeSupertypeWithMissingDependency/library/a.kt

@@ -0,0 +1,3 @@
+package a
+
+interface A<T>

compiler/testData/compileKotlinAgainstCustomBinaries/computeSupertypeWithMissingDependency/library/b.kt

@@ -0,0 +1,8 @@
+package b
+
+import a.A
+
+interface B {
+    fun foo(): A<Int>
+    fun bar(): A<String>
+}

compiler/testData/compileKotlinAgainstCustomBinaries/computeSupertypeWithMissingDependency/output.txt

@@ -0,0 +1,10 @@
+compiler/testData/compileKotlinAgainstCustomBinaries/computeSupertypeWithMissingDependency/source.kt:6:5: error: cannot access class 'a.A'. Check your module classpath for missing or conflicting dependencies
+    if (true) {
+    ^
+compiler/testData/compileKotlinAgainstCustomBinaries/computeSupertypeWithMissingDependency/source.kt:7:11: error: cannot access class 'a.A'. Check your module classpath for missing or conflicting dependencies
+        b.foo()
+          ^
+compiler/testData/compileKotlinAgainstCustomBinaries/computeSupertypeWithMissingDependency/source.kt:9:11: error: cannot access class 'a.A'. Check your module classpath for missing or conflicting dependencies
+        b.bar()
+          ^
+COMPILATION_ERROR

compiler/testData/compileKotlinAgainstCustomBinaries/computeSupertypeWithMissingDependency/source.kt

@@ -0,0 +1,11 @@
+package c
+
+import b.B
+
+fun bar(b: B) {
+    if (true) {
+        b.foo()
+    } else {
+        b.bar()
+    }
+}

compiler/tests/org/jetbrains/kotlin/jvm/compiler/CompileKotlinAgainstCustomBinariesTest.kt

@@ -1,17 +1,6 @@
 /*
- * Copyright 2010-2017 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
  */
 
 package org.jetbrains.kotlin.jvm.compiler
@@ -214,6 +203,10 @@ class CompileKotlinAgainstCustomBinariesTest : AbstractKotlinCompilerIntegration
         doTestBrokenLibrary("library", "a/A.class")
     }
 
+    fun testComputeSupertypeWithMissingDependency() {
+        doTestBrokenLibrary("library", "a/A.class")
+    }
+
     fun testMissingDependencyDifferentCases() {
         doTestBrokenLibrary("library", "a/A.class")
     }

core/descriptors/src/org/jetbrains/kotlin/descriptors/NotFoundClasses.kt

@@ -50,7 +50,7 @@ class NotFoundClasses(private val storageManager: StorageManager, private val mo
             private val isInner: Boolean,
             numberOfDeclaredTypeParameters: Int
     ) : ClassDescriptorBase(storageManager, container, name, SourceElement.NO_SOURCE, /* isExternal = */ false) {
-        private val typeParameters = (1..numberOfDeclaredTypeParameters).map { index ->
+        private val typeParameters = (0 until numberOfDeclaredTypeParameters).map { index ->
             TypeParameterDescriptorImpl.createWithDefaultBound(
                     this, Annotations.EMPTY, false, Variance.INVARIANT, Name.identifier("T$index"), index
             )