1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pid_t-1.c b/gcc/testsuite/gcc.dg/pid_t-1.c
new file mode 100644
index 0000000..f4f3f68
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pid_t-1.c
@@ -0,0 +1,19 @@
+/* { dg-do compile } */
+/* { dg-options "-Wall" } */
+/* { dg-require-fork "" } */
+
+/* Compile with -Wall to get a warning if built-in and system pid_t don't
+   match.  */
+
+#include <sys/types.h>
+
+typedef __typeof (__builtin_fork ()) __builtin_pid_t;
+
+__builtin_pid_t __p_t__;
+pid_t *p_t_p;
+
+void
+pt (void)
+{
+  p_t_p = &__p_t__;
+}