diff --git a/js/src/builtin/intl/LanguageTagGenerated.cpp b/js/src/builtin/intl/LanguageTagGenerated.cpp
index b322f9ec3d05..b018889d652b 100644
--- a/js/src/builtin/intl/LanguageTagGenerated.cpp
+++ b/js/src/builtin/intl/LanguageTagGenerated.cpp
@@ -447,8 +447,8 @@ void js::intl::LanguageTag::performComplexRegionMappings() {
     }
     else if (language().equalTo("kaa") ||
              language().equalTo("sog") ||
-             (language().equalTo("und") && script().equalTo("Sogd")) ||
              (language().equalTo("und") && script().equalTo("Chrs")) ||
+             (language().equalTo("und") && script().equalTo("Sogd")) ||
              (language().equalTo("und") && script().equalTo("Sogo")) ||
              language().equalTo("uz") ||
              language().equalTo("xco")) {
@@ -483,9 +483,9 @@ void js::intl::LanguageTag::performComplexRegionMappings() {
         (language().equalTo("ku") && script().equalTo("Arab")) ||
         language().equalTo("mis") ||
         language().equalTo("syr") ||
-        (language().equalTo("und") && script().equalTo("Xsux")) ||
         (language().equalTo("und") && script().equalTo("Hatr")) ||
-        (language().equalTo("und") && script().equalTo("Syrc"))) {
+        (language().equalTo("und") && script().equalTo("Syrc")) ||
+        (language().equalTo("und") && script().equalTo("Xsux"))) {
       setRegion("IQ");
     }
     else {
@@ -566,8 +566,8 @@ void js::intl::LanguageTag::performComplexRegionMappings() {
     }
     else if (language().equalTo("kaa") ||
              language().equalTo("sog") ||
-             (language().equalTo("und") && script().equalTo("Sogd")) ||
              (language().equalTo("und") && script().equalTo("Chrs")) ||
+             (language().equalTo("und") && script().equalTo("Sogd")) ||
              (language().equalTo("und") && script().equalTo("Sogo")) ||
              language().equalTo("uz") ||
              language().equalTo("xco")) {
diff --git a/js/src/builtin/intl/make_intl_data.py b/js/src/builtin/intl/make_intl_data.py
index a4f87750ec5a..98923325061b 100755
--- a/js/src/builtin/intl/make_intl_data.py
+++ b/js/src/builtin/intl/make_intl_data.py
@@ -319,12 +319,11 @@ void js::intl::LanguageTag::performComplexRegionMappings() {
 
         first_case = True
         for replacement_region in replacement_regions:
-            replacement_language_script = sorted(((language, script)
-                                                  for (language, script, region) in (
-                                                      non_default_replacements
-                                                  )
-                                                  if region == replacement_region),
-                                                 key=itemgetter(0))
+            replacement_language_script = sorted((language, script)
+                                                 for (language, script, region) in (
+                                                     non_default_replacements
+                                                 )
+                                                 if region == replacement_region)
 
             if_kind = u"if" if first_case else u"else if"
             first_case = False