--- icu/source/test/intltest/intltest.cpp	2013-01-11 01:22:00.000000000 +0100

+++ icu/source/test/intltest/intltest.cpp	2018-06-15 09:17:32.714205868 +0200

@@ -1425,7 +1425,11 @@

     if(ctest_xml_fini())

       return 1;

-    return major.getErrors();

+    if(!warnOnMissingData) {

+      return major.getErrors();

+    } else {

+      return 0;

+    }

 }

 const char* IntlTest::loadTestData(UErrorCode& err){