[IR] add new testdata after rebase

compiler/testData/ir/irText/firProblems/AbstractMutableMap.kt.txt

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+class MyMap<K : Any, V : Any> : AbstractMutableMap<K, V> {
+  constructor() /* primary */ {
+    TODO("IrDelegatingConstructorCall")
+        /* InstanceInitializerCall */
+
+  }
+
+  override fun put(key: K, value: V): V? {
+    return null
+  }
+
+  override val entries: MutableSet<MutableEntry<K, V>>
+    override get(): MutableSet<MutableEntry<K, V>> {
+      return mutableSetOf<MutableEntry<K, V>>()
+    }
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+}
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