util: Turn on ndebug in release mode, and fix task-state to not crash

when `ndebug` is on.

components/servo/Cargo.toml

@@ -34,11 +34,13 @@ default = ["glutin_app", "window"]
 window = ["glutin_app/window"]
 headless = ["glutin_app/headless"]
 
-[profile.release]
-opt-level = 3
-debug = true
-rpath = false
-lto = false
+# Uncomment to profile on Linux:
+#
+# [profile.release]
+# opt-level = 3
+# debug = true
+# rpath = false
+# lto = false
 
 [dependencies.compositing]
 path = "../compositing"

components/util/task_state.rs

@@ -26,9 +26,14 @@ bitflags! {
 macro_rules! task_types ( ( $( $fun:ident = $flag:ident ; )* ) => (
     impl TaskState {
         $(
+            #[cfg(not(ndebug))]
             pub fn $fun(self) -> bool {
                 self.contains($flag)
             }
+            #[cfg(ndebug)]
+            pub fn $fun(self) -> bool {
+                true
+            }
         )*
     }