Use ICU case conversion/transliterator for case conversion behind a flag

test/test262/testcfg.py

Index: test/test262/testcfg.py
diff --git a/test/test262/testcfg.py b/test/test262/testcfg.py
index b62e9b0d6b4ffbe99ccb95de871713db440c3e30..3ce14db828f2d423c410295735dbc973ecd3472d 100644
--- a/test/test262/testcfg.py
+++ b/test/test262/testcfg.py
@@ -131,6 +131,7 @@ class Test262TestSuite(testsuite.TestSuite):
     return (testcase.flags + context.mode_flags + self.harness +
             self.GetIncludesForTest(testcase) + ["--harmony"] +
             (["--module"] if "module" in self.GetTestRecord(testcase) else []) +
+            ["--icu_case_mapping"] +

[Dan Ehrenberg, 2016/04/25 21:10:11]

We usually don't add flags this way. Instead, we wait for the feature to be
staged, at which point it'll be turned on that way. The staging patch is the one
which should update test262.status, rather than this one.

             [os.path.join(self.testroot, testcase.path + ".js")] +
             (["--throws"] if "negative" in self.GetTestRecord(testcase)
                           else []) +