And now a test fix in +Asserts mode, which I broke.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86801 91177308-0d34-0410-b5e6-96231b3b80d8

test/CodeGen/attributes.c

@@ -69,7 +69,7 @@ int t19(void) {
 }
 
 // CHECK:define void @t20() nounwind {
-// CHECK-NEXT: call void @abort()
+// CHECK: call void @abort()
 // CHECK-NEXT: unreachable
 void t20(void) {
   __builtin_abort();