1 files changed, 42 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/c23-bool-2.c b/gcc/testsuite/gcc.dg/c23-bool-2.c
new file mode 100644
index 0000000..a919d0b
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/c23-bool-2.c
@@ -0,0 +1,42 @@
+/* Test bool, true and false keywords in C23.  */
+/* { dg-do run } */
+/* { dg-options "-std=c23 -pedantic-errors" } */
+
+extern void abort (void);
+extern void exit (int);
+
+#if false - 1 >= 0
+#error "false unsigned in #if"
+#endif
+
+#if false != 0
+#error "false not 0 in #if"
+#endif
+
+#if true - 2 >= 0
+#error "true unsigned in #if"
+#endif
+
+#if true != 1
+#error "true not 1 in #if"
+#endif
+
+extern bool b;
+extern _Bool b;
+
+_Static_assert (false == 0);
+_Static_assert (true == 1);
+
+int
+main (void)
+{
+  if (_Generic (true, bool : 1) != 1)
+    abort ();
+  if (true != 1)
+    abort ();
+  if (_Generic (false, bool : 1) != 1)
+    abort ();
+  if (false != 0)
+    abort ();
+  exit (0);
+}