add and unignore tests

src/test/compile-fail/borrowck/borrowck-local-borrow-with-panic-outlives-fn.rs

@@ -0,0 +1,23 @@
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// revisions: ast mir
+//[mir]compile-flags: -Z borrowck=mir
+
+fn cplusplus_mode_exceptionally_unsafe(x: &mut Option<&'static mut isize>) {
+    let mut z = (0, 0);
+    *x = Some(&mut z.1); //[ast]~ ERROR [E0597]
+                         //[mir]~^ ERROR [E0597]
+    panic!("catch me for a dangling pointer!")
+}
+
+fn main() {
+    cplusplus_mode_exceptionally_unsafe(&mut None);
+}

src/test/mir-opt/nll/region-liveness-drop-no-may-dangle.rs

@@ -13,7 +13,6 @@
 // including) the call to `use_x`. The `else` branch is not included.
 
 // ignore-tidy-linelength
-// ignore-test #46267
 // compile-flags:-Znll -Zverbose
 //                     ^^^^^^^^^ force compiler to dump more region information
 
@@ -47,5 +46,5 @@ impl<T> Drop for Wrap<T> {
 
 // END RUST SOURCE
 // START rustc.main.nll.0.mir
-// | '_#5r: {bb1[3], bb1[4], bb1[5], bb2[0], bb2[1], bb2[2], bb3[0], bb4[0], bb4[1], bb4[2], bb6[0], bb7[0], bb7[1], bb8[0]}
+// | '_#5r: {bb2[3], bb2[4], bb2[5], bb3[0], bb3[1], bb3[2], bb4[0], bb5[0], bb5[1], bb5[2], bb6[0], bb7[0], bb7[1], bb8[0]}
 // END rustc.main.nll.0.mir