1 files changed, 45 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/utf-inc-init.c b/gcc/testsuite/gcc.dg/utf-inc-init.c
new file mode 100644
index 000000000..531d21b26
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/utf-inc-init.c
@@ -0,0 +1,45 @@
+/* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
+/* Test incremental initializers for char16_t/char32_t arrays. */
+/* { dg-do run { target int32plus } } */
+/* { dg-options "-std=gnu99" } */
+
+typedef __SIZE_TYPE__ size_t;
+typedef __CHAR16_TYPE__ char16_t;
+typedef __CHAR32_TYPE__ char32_t;
+
+extern int memcmp (const void *, const void *, size_t);
+extern void abort (void);
+extern void exit (int);
+
+struct A {
+  char16_t S[6];
+  int M;
+} a[] = { { { u"foo" }, 1 }, [0].S[2] = u'x', [0].S[4] = u'y' };
+struct A b[] = { { { u"foo" }, 1 }, [0] = { .S[0] = u'b' } };
+struct A c[] = { { { u"foo" }, 1 }, [0].S = { u"a" }, [0].M = 2 };
+
+struct B {
+  char32_t S[6];
+  int M;
+} d[] = { { { U"foo" }, 1 }, [0].S[2] = U'x', [0].S[4] = U'y' };
+struct B e[] = { { { U"foo" }, 1 }, [0] = { .S[0] = U'b' } };
+struct B f[] = { { { U"foo" }, 1 }, [0].S = { U"a" }, [0].M = 2 };
+
+int main (void)
+{
+  if (memcmp (a[0].S, u"fox\0y", 6 * sizeof(char16_t)) || a[0].M != 1)
+    abort ();
+  if (memcmp (b[0].S, u"b\0\0\0\0", 6) || b[0].M)
+    abort ();
+  if (memcmp (c[0].S, u"a\0\0\0\0", 6) || c[0].M != 2)
+    abort ();
+
+  if (memcmp (d[0].S, U"fox\0y", 6 * sizeof(char32_t)) || d[0].M != 1)
+    abort ();
+  if (memcmp (e[0].S, U"b\0\0\0\0", 6) || e[0].M)
+    abort ();
+  if (memcmp (f[0].S, U"a\0\0\0\0", 6) || f[0].M != 2)
+    abort ();
+
+  exit(0);
+}