d3a2d2c
diff -up thunderbird-60.6.1/intl/locale/LocaleService.cpp.debug thunderbird-60.6.1/intl/locale/LocaleService.cpp
d3a2d2c
--- thunderbird-60.6.1/intl/locale/LocaleService.cpp.debug	2019-05-15 08:15:14.602872505 +0200
d3a2d2c
+++ thunderbird-60.6.1/intl/locale/LocaleService.cpp	2019-05-15 08:15:53.717635322 +0200
d3a2d2c
@@ -643,8 +643,6 @@ LocaleService::GetDefaultLocale(nsACStri
d3a2d2c
     // just use our hard-coded default below.
d3a2d2c
     GetGREFileContents("update.locale", &locale);
d3a2d2c
     locale.Trim(" \t\n\r");
d3a2d2c
-    // This should never be empty.
d3a2d2c
-    MOZ_ASSERT(!locale.IsEmpty());
d3a2d2c
     if (SanitizeForBCP47(locale, true)) {
d3a2d2c
       mDefaultLocale.Assign(locale);
d3a2d2c
     }