rt: allow unexported functions

rust_panic is unexported, however the metadata exported will usually
include it for attaching breakpoints.

Author: richo

src/libstd/rt/unwind.rs

@@ -160,6 +160,7 @@ pub fn panicking() -> bool {
 // An uninlined, unmangled function upon which to slap yer breakpoints
 #[inline(never)]
 #[no_mangle]
+#[allow(private_no_mangle_fns)]
 fn rust_panic(cause: Box<Any + Send>) -> ! {
     rtdebug!("begin_unwind()");
 
@@ -237,6 +238,7 @@ pub mod eabi {
 
     #[lang="eh_personality"]
     #[no_mangle] // referenced from rust_try.ll
+    #[allow(private_no_mangle_fns)]
     extern fn rust_eh_personality(
         version: c_int,
         actions: uw::_Unwind_Action,
@@ -252,6 +254,7 @@ pub mod eabi {
     }
 
     #[no_mangle] // referenced from rust_try.ll
+    #[allow(unexported_no_mangle)]
     pub extern "C" fn rust_eh_personality_catch(
         _version: c_int,
         actions: uw::_Unwind_Action,
@@ -290,6 +293,7 @@ pub mod eabi {
 
     #[lang="eh_personality"]
     #[no_mangle] // referenced from rust_try.ll
+    #[allow(unexported_no_mangle)]
     pub extern "C" fn rust_eh_personality(
         version: c_int,
         actions: uw::_Unwind_Action,
@@ -305,6 +309,7 @@ pub mod eabi {
     }
 
     #[no_mangle] // referenced from rust_try.ll
+    #[allow(unexported_no_mangle)]
     pub extern "C" fn rust_eh_personality_catch(
         _version: c_int,
         actions: uw::_Unwind_Action,
@@ -343,6 +348,7 @@ pub mod eabi {
 
     #[lang="eh_personality"]
     #[no_mangle] // referenced from rust_try.ll
+    #[allow(unexported_no_mangle)]
     extern "C" fn rust_eh_personality(
         state: uw::_Unwind_State,
         ue_header: *mut uw::_Unwind_Exception,
@@ -355,6 +361,7 @@ pub mod eabi {
     }
 
     #[no_mangle] // referenced from rust_try.ll
+    #[allow(unexported_no_mangle)]
     pub extern "C" fn rust_eh_personality_catch(
         state: uw::_Unwind_State,
         _ue_header: *mut uw::_Unwind_Exception,
@@ -432,6 +439,7 @@ pub mod eabi {
 
     #[lang="eh_personality"]
     #[no_mangle] // referenced from rust_try.ll
+    #[allow(unexported_no_mangle)]
     extern "C" fn rust_eh_personality(
         exceptionRecord: *mut EXCEPTION_RECORD,
         establisherFrame: *mut c_void,
@@ -446,6 +454,7 @@ pub mod eabi {
     }
 
     #[no_mangle] // referenced from rust_try.ll
+    #[allow(unexported_no_mangle)]
     pub extern "C" fn rust_eh_personality_catch(
         exceptionRecord: *mut EXCEPTION_RECORD,
         establisherFrame: *mut c_void,