---

yaml
---
r: 94838
b: refs/heads/try
c: d459e80
h: refs/heads/master
v: v3

Author: bors

[refs]

@@ -2,7 +2,7 @@
 refs/heads/master: 0da105a8b7b6b1e0568e8ff20f6ff4b13cc7ecc2
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: a6d3e57dca68fde4effdda3e4ae2887aa535fcd6
-refs/heads/try: ff801d662ebdebee4845dcc825b366215e4b88bf
+refs/heads/try: d459e805df076ace12ed3f7f57f2b1378f0e2403
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
 refs/heads/try2: 147ecfdd8221e4a4d4e090486829a06da1e0ca3c

branches/try/src/libstd/rt/unwind.rs

@@ -180,22 +180,29 @@ impl Unwinder {
         self.unwinding = true;
         self.cause = Some(cause);
 
-        unsafe {
-            let exception = ~uw::_Unwind_Exception {
-                exception_class: rust_exception_class(),
-                exception_cleanup: exception_cleanup,
-                private_1: 0,
-                private_2: 0
-            };
-            let error = uw::_Unwind_RaiseException(cast::transmute(exception));
-            rtabort!("Could not unwind stack, error = {}", error as int)
-        }
+        rust_fail();
 
-        extern "C" fn exception_cleanup(_unwind_code: uw::_Unwind_Reason_Code,
-                                        exception: *uw::_Unwind_Exception) {
-            rtdebug!("exception_cleanup()");
+        // An uninlined, unmangled function upon which to slap yer breakpoints
+        #[inline(never)]
+        #[no_mangle]
+        fn rust_fail() -> ! {
             unsafe {
-                let _: ~uw::_Unwind_Exception = cast::transmute(exception);
+                let exception = ~uw::_Unwind_Exception {
+                    exception_class: rust_exception_class(),
+                    exception_cleanup: exception_cleanup,
+                    private_1: 0,
+                    private_2: 0
+                };
+                let error = uw::_Unwind_RaiseException(cast::transmute(exception));
+                rtabort!("Could not unwind stack, error = {}", error as int)
+            }
+
+            extern "C" fn exception_cleanup(_unwind_code: uw::_Unwind_Reason_Code,
+                                            exception: *uw::_Unwind_Exception) {
+                rtdebug!("exception_cleanup()");
+                unsafe {
+                    let _: ~uw::_Unwind_Exception = cast::transmute(exception);
+                }
             }
         }
     }