Basic -Xrelease option support

#KT-29974 Fixed

compiler/testData/codegen/boxModernJdk/testsWithJava11/releaseFlag/reflective/reflective.kt

@@ -0,0 +1,14 @@
+// CHECK_BYTECODE_TEXT
+// 2 CHECKCAST java/lang/ReflectiveOperationException
+// 1 LOCALVARIABLE reflective Ljava/lang/ReflectiveOperationException;
+
+fun cond() = true
+
+fun test(iae: IllegalAccessException?, cnfe: ClassNotFoundException?) {
+    val reflective = if (cond()) iae else cnfe
+}
+
+fun box(): String {
+    test(null, null)
+    return "OK"
+}