in src/main/java/com/intellij/compiler/impl/InternalCompileDriver.java [676:682]
private void showCyclicModulesHaveDifferentJdksError(Set<Module> modulesInChunk) {
Module firstModule = ContainerUtil.getFirstItem(modulesInChunk);
LOG.assertTrue(firstModule != null);
String moduleNameToSelect = firstModule.getName();
final String moduleNames = getModulesString(modulesInChunk);
System.err.println(String.format("The following modules have cyclic dependencies and different jdks: [%s]", moduleNames));
}