fallout

1 files changed, 2 insertions, 1 deletions

diff --git a/src/libstd/sys/windows/backtrace.rs b/src/libstd/sys/windows/backtrace.rs
index 4ccecfd1f5f..eb76f13afe7 100644
--- a/src/libstd/sys/windows/backtrace.rs
+++ b/src/libstd/sys/windows/backtrace.rs
@@ -23,6 +23,7 @@
 
 use dynamic_lib::DynamicLibrary;
 use ffi;
+use core::ops::Index;
 use intrinsics;
 use io::{IoResult, Writer};
 use libc;
@@ -361,7 +362,7 @@ pub fn write(w: &mut Writer) -> IoResult<()> {
             let bytes = unsafe { ffi::c_str_to_bytes(&ptr) };
             match str::from_utf8(bytes) {
                 Ok(s) => try!(demangle(w, s)),
-                Err(..) => try!(w.write(bytes[..bytes.len()-1])),
+                Err(..) => try!(w.write(bytes.index(&(..(bytes.len()-1))))),
             }
         }
         try!(w.write(&['\n' as u8]));