auto merge of #6349 : thestinger/rust/explicit_copy, r=thestinger

I removed some of the copies, but most are just made explicit. The usage in `libcore` was already fixed, but the attribute was only set to warn (not removed).

1 files changed, 2 insertions, 2 deletions

diff --git a/src/libstd/net_ip.rs b/src/libstd/net_ip.rs
index 9a0eb6d85db..758e7a5e6ca 100644
--- a/src/libstd/net_ip.rs
+++ b/src/libstd/net_ip.rs
@@ -175,7 +175,7 @@ pub mod v4 {
     pub fn parse_addr(ip: &str) -> IpAddr {
         match try_parse_addr(ip) {
           result::Ok(addr) => addr,
-          result::Err(ref err_data) => fail!(err_data.err_msg)
+          result::Err(ref err_data) => fail!(copy err_data.err_msg)
         }
     }
     // the simple, old style numberic representation of
@@ -272,7 +272,7 @@ pub mod v6 {
     pub fn parse_addr(ip: &str) -> IpAddr {
         match try_parse_addr(ip) {
           result::Ok(addr) => addr,
-          result::Err(copy err_data) => fail!(err_data.err_msg)
+          result::Err(copy err_data) => fail!(copy err_data.err_msg)
         }
     }
     pub fn try_parse_addr(ip: &str) -> result::Result<IpAddr,ParseAddrErr> {