Don't generate hash in sam wrapper class name

#KT-17091 Fixed

compiler/testData/codegen/box/sam/kt17091_2.kt

@@ -0,0 +1,37 @@
+// TARGET_BACKEND: JVM
+// WITH_RUNTIME
+// FILE: Foo.kt
+@file:JvmName("testXX")
+package test
+
+class A2 {
+    fun doWork(job: () -> Unit) {
+        Runnable(job)
+    }
+}
+
+
+// FILE: kt17091_2.kt
+
+@file:JvmMultifileClass
+@file:JvmName("testX")
+package test
+
+typealias Z = String
+
+class A {
+    fun doWork(job: () -> Unit) {
+        Runnable(job).run()
+    }
+}
+
+fun box(): String {
+    var result = "fail"
+    A().doWork { result = "OK" }
+
+    if (java.lang.Class.forName("test.testX__Kt17091_2Kt\$sam\$java_lang_Runnable$0") == null) return "fail: can't find sam wrapper"
+
+    if (java.lang.Class.forName("test.A2\$sam\$java_lang_Runnable$0") == null) return "fail 2: can't find sam wrapper"
+
+    return result
+}