rustc: "tag" -> "enum"

src/comp/syntax/ast_util.rs

@@ -201,7 +201,7 @@ fn ternary_to_if(e: @expr) -> @expr {
 
 // FIXME this doesn't handle big integer/float literals correctly (nor does
 // the rest of our literal handling)
-tag const_val {
+enum const_val {
     const_float(float);
     const_int(i64);
     const_uint(u64);