Add test for SAM adapter.

compiler/testData/ir/irText/lambdas/samAdapter.kt

@@ -0,0 +1,7 @@
+// FULL_JDK
+// WITH_RUNTIME
+
+fun test1() {
+    val hello = Runnable { println("Hello, world!") }
+    hello.run()
+}

compiler/testData/ir/irText/lambdas/samAdapter.txt

@@ -0,0 +1,14 @@
+FILE /samAdapter.kt
+  FUN public fun test1(): kotlin.Unit
+    BLOCK_BODY
+      VAR val hello: java.lang.Runnable
+        CALL .Runnable type=java.lang.Runnable operator=null
+          function: BLOCK type=() -> kotlin.Unit operator=LAMBDA
+            FUN local final fun <anonymous>(): kotlin.Unit
+              BLOCK_BODY
+                RETURN type=kotlin.Nothing from=<anonymous>
+                  CALL .println type=kotlin.Unit operator=null
+                    message: CONST String type=kotlin.String value='Hello, world!'
+            CALLABLE_REFERENCE <anonymous> type=() -> kotlin.Unit operator=LAMBDA
+      CALL .run type=kotlin.Unit operator=null
+        $this: GET_VAR hello type=java.lang.Runnable operator=null

compiler/tests/org/jetbrains/kotlin/ir/IrTextTestCaseGenerated.java

@@ -624,5 +624,11 @@ public class IrTextTestCaseGenerated extends AbstractIrTextTestCase {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/ir/irText/lambdas/nonLocalReturn.kt");
             doTest(fileName);
         }
+
+        @TestMetadata("samAdapter.kt")
+        public void testSamAdapter() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/ir/irText/lambdas/samAdapter.kt");
+            doTest(fileName);
+        }
     }
 }