JavaAgainstKotlinBinaries: Allow specifying extra compiler options

idea/testData/kotlinAndJavaChecker/javaAgainstKotlin/ExtendClassWithJvmDefaultImplementation.txt

@@ -1,2 +1,3 @@
 // LANGUAGE_LEVEL 1.8
-// WITH_RUNTIME
+// WITH_RUNTIME
+// KOTLINC_EXTRA_OPTS -jvm-target, 1.8, -Xjvm-default=enable

idea/tests/org/jetbrains/kotlin/checkers/AbstractJavaAgainstKotlinBinariesCheckerTest.kt

@@ -33,9 +33,13 @@ abstract class AbstractJavaAgainstKotlinBinariesCheckerTest : AbstractJavaAgains
         if (KotlinTestUtils.isAllFilesPresentTest(testName)) {
             return
         }
+
+        val languageLevelOption = InTextDirectivesUtils.findListWithPrefixes(configFileText ?: "", "// KOTLINC_EXTRA_OPTS")
+
         val libraryJar = MockLibraryUtil.compileJvmLibraryToJar(
-                PluginTestCaseBase.getTestDataPathBase() + "/kotlinAndJavaChecker/javaAgainstKotlin/" + getTestName(false) + ".kt",
-                "libFor$testName"
+            PluginTestCaseBase.getTestDataPathBase() + "/kotlinAndJavaChecker/javaAgainstKotlin/" + getTestName(false) + ".kt",
+            "libFor$testName",
+            extraOptions = languageLevelOption
         )
         val jarUrl = "jar://" + FileUtilRt.toSystemIndependentName(libraryJar.absolutePath) + "!/"
         ModuleRootModificationUtil.addModuleLibrary(module, jarUrl)