Index: libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char16_t_in.pass.cpp
===================================================================
--- libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char16_t_in.pass.cpp
+++ libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char16_t_in.pass.cpp
@@ -29,7 +29,7 @@
 int main(int, char**)
 {
     std::locale l = std::locale::classic();
-    const char from[] = "some text";
+    const char* from = reinterpret_cast<const char*>(u8"some text"); 
     F::intern_type to[9];
     const F& f = std::use_facet<F>(l);
     std::mbstate_t mbs = {};
Index: libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char16_t_length.pass.cpp
===================================================================
--- libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char16_t_length.pass.cpp
+++ libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char16_t_length.pass.cpp
@@ -27,7 +27,7 @@
     std::locale l = std::locale::classic();
     const F& f = std::use_facet<F>(l);
     std::mbstate_t mbs = {};
-    const char from[] = "some text";
+    const char* from = reinterpret_cast<const char*>(u8"some text");
     assert(f.length(mbs, from, from+10, 0) == 0);
     assert(f.length(mbs, from, from+10, 8) == 8);
     assert(f.length(mbs, from, from+10, 9) == 9);
Index: libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char32_t_in.pass.cpp
===================================================================
--- libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char32_t_in.pass.cpp
+++ libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char32_t_in.pass.cpp
@@ -29,7 +29,7 @@
 int main(int, char**)
 {
     std::locale l = std::locale::classic();
-    const char from[] = "some text";
+    const char* from = reinterpret_cast<const char*>(u8"some text");
     F::intern_type to[9];
     const F& f = std::use_facet<F>(l);
     std::mbstate_t mbs = {};
Index: libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char32_t_length.pass.cpp
===================================================================
--- libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char32_t_length.pass.cpp
+++ libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char32_t_length.pass.cpp
@@ -27,7 +27,7 @@
     std::locale l = std::locale::classic();
     const F& f = std::use_facet<F>(l);
     std::mbstate_t mbs = {};
-    const char from[] = "some text";
+    const char* from = reinterpret_cast<const char*>(u8"some text");
     assert(f.length(mbs, from, from+10, 0) == 0);
     assert(f.length(mbs, from, from+10, 8) == 8);
     assert(f.length(mbs, from, from+10, 9) == 9);