1 files changed, 77 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/c11-noreturn-2.c b/gcc-4.9/gcc/testsuite/gcc.dg/c11-noreturn-2.c
new file mode 100644
index 000000000..951d028f7
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/c11-noreturn-2.c
@@ -0,0 +1,77 @@
+/* Test C11 _Noreturn.  Test valid code using stdnoreturn.h.  */
+/* { dg-do run } */
+/* { dg-options "-std=c11 -pedantic-errors" } */
+
+#include <stdnoreturn.h>
+
+extern int strcmp (const char *, const char *);
+
+noreturn void exit (int);
+noreturn void abort (void);
+
+noreturn int f1 (void);
+
+noreturn void f2 (void);
+
+static void noreturn f3 (void) { exit (0); }
+
+/* Returning from a noreturn function is undefined at runtime, not a
+   constraint violation, but recommended practice is to diagnose if
+   such a return appears possible.  */
+
+noreturn int
+f4 (void)
+{
+  return 1; /* { dg-warning "has a 'return' statement" } */
+  /* { dg-warning "does return" "second warning" { target *-*-* } 25 } */
+}
+
+noreturn void
+f5 (void)
+{
+  return; /* { dg-warning "has a 'return' statement" } */
+  /* { dg-warning "does return" "second warning" { target *-*-* } 32 } */
+}
+
+noreturn void
+f6 (void)
+{
+} /* { dg-warning "does return" } */
+
+noreturn void
+f7 (int a)
+{
+  if (a)
+    exit (0);
+} /* { dg-warning "does return" } */
+
+/* Declarations need not all have noreturn.  */
+
+void f2 (void);
+
+void f8 (void);
+noreturn void f8 (void);
+
+/* Duplicate noreturn is OK.  */
+noreturn noreturn void noreturn f9 (void);
+
+/* noreturn does not affect type compatibility.  */
+
+void (*fp) (void) = f5;
+
+#ifndef noreturn
+#error "noreturn not defined"
+#endif
+
+#define str(x) #x
+#define xstr(x) str(x)
+
+const char *s = xstr(noreturn);
+
+int
+main (void)
+{
+  if (strcmp (s, "_Noreturn") != 0)
+    abort ();
+  exit (0);
+}