1 files changed, 69 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/c2y-static-assert-3.c b/gcc/testsuite/gcc.dg/c2y-static-assert-3.c
new file mode 100644
index 0000000..fcbf6af
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/c2y-static-assert-3.c
@@ -0,0 +1,69 @@
+/* Test C2y static assertions in expressions: -Wc23-c2y-compat warnings.  */
+/* { dg-do compile } */
+/* { dg-options "-std=c2y -pedantic-errors -Wc23-c2y-compat" } */
+
+/* Old forms of static assertion still valid.  */
+static_assert (1);
+static_assert (2, "message" );
+struct s { int a; static_assert (3); };
+
+void
+f ()
+{
+  static_assert (4);
+ label:
+  static_assert (5);
+  for (static_assert (6);;)
+    ;
+}
+
+/* Test new forms of static assertion.  */
+void
+g ()
+{
+  (void) 0, static_assert (7), (void) 0; /* { dg-warning "ISO C does not support static assertions in expressions before C2Y" } */
+  extern typeof (static_assert (8)) f (); /* { dg-warning "ISO C does not support static assertions in expressions before C2Y" } */
+  1
+    ? static_assert (9) /* { dg-warning "ISO C does not support static assertions in expressions before C2Y" } */
+    : static_assert (10); /* { dg-warning "ISO C does not support static assertions in expressions before C2Y" } */
+  if (1)
+    static_assert (11); /* { dg-warning "ISO C does not support static assertions in expressions before C2Y" } */
+  else
+    static_assert (12); /* { dg-warning "ISO C does not support static assertions in expressions before C2Y" } */
+  for (;;)
+    static_assert (13); /* { dg-warning "ISO C does not support static assertions in expressions before C2Y" } */
+  while (true)
+    static_assert (14); /* { dg-warning "ISO C does not support static assertions in expressions before C2Y" } */
+  do
+    static_assert (15); /* { dg-warning "ISO C does not support static assertions in expressions before C2Y" } */
+  while (false);
+  switch (16)
+    static_assert (17); /* { dg-warning "ISO C does not support static assertions in expressions before C2Y" } */
+  (void) static_assert (18); /* { dg-warning "ISO C does not support static assertions in expressions before C2Y" } */
+  (static_assert (19)); /* { dg-warning "ISO C does not support static assertions in expressions before C2Y" } */
+}
+
+void
+g2 ()
+{
+  (void) 0, static_assert (7, "message"), (void) 0; /* { dg-warning "ISO C does not support static assertions in expressions before C2Y" } */
+  extern typeof (static_assert (8, "message")) f (); /* { dg-warning "ISO C does not support static assertions in expressions before C2Y" } */
+  1
+    ? static_assert (9, "message") /* { dg-warning "ISO C does not support static assertions in expressions before C2Y" } */
+    : static_assert (10, "message"); /* { dg-warning "ISO C does not support static assertions in expressions before C2Y" } */
+  if (1)
+    static_assert (11, "message"); /* { dg-warning "ISO C does not support static assertions in expressions before C2Y" } */
+  else
+    static_assert (12, "message"); /* { dg-warning "ISO C does not support static assertions in expressions before C2Y" } */
+  for (;;)
+    static_assert (13, "message"); /* { dg-warning "ISO C does not support static assertions in expressions before C2Y" } */
+  while (true)
+    static_assert (14, "message"); /* { dg-warning "ISO C does not support static assertions in expressions before C2Y" } */
+  do
+    static_assert (15, "message"); /* { dg-warning "ISO C does not support static assertions in expressions before C2Y" } */
+  while (false);
+  switch (16)
+    static_assert (17, "message"); /* { dg-warning "ISO C does not support static assertions in expressions before C2Y" } */
+  (void) static_assert (18, "message"); /* { dg-warning "ISO C does not support static assertions in expressions before C2Y" } */
+  (static_assert (19, "message")); /* { dg-warning "ISO C does not support static assertions in expressions before C2Y" } */
+}