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-rw-r--r--gcc/testsuite/g++.dg/cpp1z/utf8.C4
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/cpp1z/utf8.C b/gcc/testsuite/g++.dg/cpp1z/utf8.C
index e08fbb9c86e..ed413f30976 100644
--- a/gcc/testsuite/g++.dg/cpp1z/utf8.C
+++ b/gcc/testsuite/g++.dg/cpp1z/utf8.C
@@ -6,7 +6,11 @@
auto c = 'c';
auto u8c = u8'c';
+#if __cpp_char8_t
+static_assert(!std::experimental::is_same_v<decltype(u8c), decltype(c)>, "");
+#else
static_assert(std::experimental::is_same_v<decltype(u8c), decltype(c)>, "");
+#endif
auto u8s = u8"c";
auto x = u8s[0];