Implement __builtin_unreachable(), a GCC 4.5 extension.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@82433 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/builtins.c b/test/Sema/builtins.c
index 068f300..c3daa66 100644
--- a/test/Sema/builtins.c
+++ b/test/Sema/builtins.c
@@ -41,3 +41,14 @@
old = __sync_fetch_and_add(&old); // expected-error {{too few arguments to function call}}
old = __sync_fetch_and_add((int**)0, 42i); // expected-warning {{imaginary constants are an extension}}
}
+
+
+// rdar://7236819
+void test10(void) __attribute__((noreturn));
+
+void test10(void) {
+ __asm__("int3");
+ __builtin_unreachable();
+
+ // No warning about falling off the end of a noreturn function.
+}