Refactor CHECK_BYTECODE_LISTING directive for JVM IR tests

Create a separate _ir.txt bytecode listing file for JVM IR, to avoid
duplicate tests and to fix "Codegent tests on different JDKs"
configuration where this test is muted but passes because only execution
is checked there, not bytecode listing.

compiler/tests-common/tests/org/jetbrains/kotlin/codegen/AbstractBlackBoxCodegenTest.java

@@ -69,7 +69,8 @@ public abstract class AbstractBlackBoxCodegenTest extends CodegenTestCase {
         String suffix =
                 (coroutinesPackage.contains("experimental") || coroutinesPackage.isEmpty())
                 && InTextDirectivesUtils.isDirectiveDefined(FileUtil.loadFile(wholeFile), "COMMON_COROUTINES_TEST")
-                ? "_1_2" : "";
+                ? "_1_2" :
+                getBackend().isIR() ? "_ir" : "";
         File expectedFile = new File(wholeFile.getParent(), FilesKt.getNameWithoutExtension(wholeFile) + suffix + ".txt");
 
         String text =