1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/cpp/ucn-1.C b/gcc/testsuite/g++.dg/cpp/ucn-1.C
new file mode 100644
index 000000000..354e1d976
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp/ucn-1.C
@@ -0,0 +1,13 @@
+// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2170.html
+// { dg-options "-std=c++0x -fextended-identifiers" }
+
+int main()
+{
+  "\u0041";			// 'A' UCN is OK in string literal
+  '\u0041';			// also OK in character literal
+
+  int c\u0041c;		      // { dg-error "not valid in an identifier" }
+  int c\u0024c;		      // $ is OK; not part of basic source char set
+
+  U"\uD800";		  // { dg-error "not a valid universal character" }
+}