1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/ucnid-13.c b/gcc/testsuite/gcc.dg/ucnid-13.c
new file mode 100644
index 000000000..942178994
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/ucnid-13.c
@@ -0,0 +1,14 @@
+/* Verify diagnostics for extended identifiers refer to UCNs (in the C
+   locale).  Miscellaneous diagnostics.  */
+/* { dg-do compile } */
+/* { dg-options "-std=gnu99 -fextended-identifiers -Wpacked" } */
+/* { dg-require-ascii-locale "" } */
+
+int a __attribute__((\u00c0)); /* { dg-warning "'\\\\U000000c0' attribute directive ignored" } */
+
+extern void \u00c1 (void) __attribute__((deprecated));
+void g (void) { \u00c1 (); } /* { dg-warning "'\\\\U000000c1' is deprecated" } */
+
+struct \u00c2 { char c; } __attribute__((packed)); /* { dg-warning "'\\\\U000000c2'" } */
+
+void h (void) { asm ("%[\u00c3]" : : ); } /* { dg-error "undefined named operand '\\\\U000000c3'" } */