Update rustc to revision 2cfb5acb5a2751c759627377e602bac4f88f2d19.

components/util/geometry.rs

@@ -29,7 +29,7 @@ use std::fmt;
 ///
 /// The ratio between ScreenPx and DevicePixel for a given display be found by calling
 /// `servo::windowing::WindowMethods::hidpi_factor`.
-#[deriving(Show)]
+#[deriving(Show, Copy)]
 pub enum ScreenPx {}
 
 /// One CSS "px" in the coordinate system of the "initial viewport":
@@ -41,7 +41,7 @@ pub enum ScreenPx {}
 ///
 /// At the default zoom level of 100%, one PagePx is equal to one ScreenPx.  However, if the
 /// document is zoomed in or out then this scale may be larger or smaller.
-#[deriving(Encodable, Show)]
+#[deriving(Encodable, Show, Copy)]
 pub enum ViewportPx {}
 
 /// One CSS "px" in the root coordinate system for the content document.
@@ -50,7 +50,7 @@ pub enum ViewportPx {}
 /// This is the mobile-style "pinch zoom" that enlarges content without reflowing it.  When the
 /// viewport zoom is not equal to 1.0, then the layout viewport is no longer the same physical size
 /// as the viewable area.
-#[deriving(Encodable, Show)]
+#[deriving(Encodable, Show, Copy)]
 pub enum PagePx {}
 
 // In summary, the hierarchy of pixel units and the factors to convert from one to the next:
@@ -65,7 +65,7 @@ pub enum PagePx {}
 // See https://bugzilla.mozilla.org/show_bug.cgi?id=177805 for more info.
 //
 // FIXME: Implement Au using Length and ScaleFactor instead of a custom type.
-#[deriving(Clone, Hash, PartialEq, PartialOrd, Eq, Ord, Zero)]
+#[deriving(Clone, Copy, Hash, PartialEq, PartialOrd, Eq, Ord)]
 pub struct Au(pub i32);
 
 impl Default for Au {