Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 59 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/c11-noreturn-1.c b/gcc-4.9/gcc/testsuite/gcc.dg/c11-noreturn-1.c
new file mode 100644
index 000000000..e92c5ae04
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/c11-noreturn-1.c
@@ -0,0 +1,59 @@
+/* Test C11 _Noreturn.  Test valid code.  */
+/* { dg-do compile } */
+/* { dg-options "-std=c11 -pedantic-errors" } */
+
+_Noreturn void exit (int);
+
+_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 *-*-* } 20 } */
+}
+
+_Noreturn void
+f5 (void)
+{
+  return; /* { dg-warning "has a 'return' statement" } */
+  /* { dg-warning "does return" "second warning" { target *-*-* } 27 } */
+}
+
+_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;
+
+/* noreturn is an ordinary identifier.  */
+
+int noreturn;