---

yaml
---
r: 92860
b: refs/heads/auto
c: d459e80
h: refs/heads/master
v: v3

Author: bors

[refs]

@@ -13,7 +13,7 @@ refs/heads/try3: 9387340aab40a73e8424c48fd42f0c521a4875c0
 refs/tags/release-0.3.1: 495bae036dfe5ec6ceafd3312b4dca48741e845b
 refs/tags/release-0.4: e828ea2080499553b97dfe33b3f4d472b4562ad7
 refs/tags/release-0.5: 7e3bcfbf21278251ee936ad53e92e9b719702d73
-refs/heads/auto: ff801d662ebdebee4845dcc825b366215e4b88bf
+refs/heads/auto: d459e805df076ace12ed3f7f57f2b1378f0e2403
 refs/heads/servo: af82457af293e2a842ba6b7759b70288da276167
 refs/tags/release-0.6: b4ebcfa1812664df5e142f0134a5faea3918544c
 refs/tags/0.1: b19db808c2793fe2976759b85a355c3ad8c8b336

branches/auto/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);
+                }
             }
         }
     }