librustc: Add a lint mode for unnecessary copy and remove a bunch of them.

2013-06-27 17:41:35 -07:00
parent 8c082658be
commit b4e674f6e6
59 changed files with 256 additions and 235 deletions
--- a/src/libsyntax/codemap.rs
+++ b/src/libsyntax/codemap.rs
@@ -354,7 +354,7 @@ impl CodeMap {

    pub fn span_to_filename(&self, sp: span) -> FileName {
        let lo = self.lookup_char_pos(sp.lo);
-        return /* FIXME (#2543) */ copy lo.file.name;
+        lo.file.name
    }

    pub fn span_to_lines(&self, sp: span) -> @FileLines {