1 files changed, 17 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/cpp/utf8-5byte-1.c b/gcc/testsuite/gcc.dg/cpp/utf8-5byte-1.c
new file mode 100644
index 000000000..7f96a5684
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/cpp/utf8-5byte-1.c
@@ -0,0 +1,17 @@
+/* Test for bug in conversions from 5-byte UTF-8 sequences in
+   cpplib.  */
+/* { dg-do run { target { 4byte_wchar_t } } } */
+/* { dg-options "-std=gnu99" } */
+
+extern void abort (void);
+extern void exit (int);
+
+__WCHAR_TYPE__ ws[] = L"û¿¿¿¿";
+
+int
+main (void)
+{
+  if (ws[0] != L'\U03FFFFFF' || ws[1] != 0)
+    abort ();
+  exit (0);
+}