Add tracking issue number.

diff --git a/src/libcore/num/f32.rs b/src/libcore/num/f32.rs
index 896ba96d1972db7001d6cde2e98e5e41b5927ed6..38b3fab6d7535d8fae77d86cc31ba75b30c005c0 100644 (file)
--- a/src/libcore/num/f32.rs
+++ b/src/libcore/num/f32.rs
@@ -78,7 +78,7 @@ pub mod consts {
     /// The full circle constant (τ)
     ///
     /// Equal to 2π.
-    #[unstable(feature = "tau_constant", issue = "0")]
+    #[unstable(feature = "tau_constant", issue = "66770")]
     pub const TAU: f32 = 6.28318530717958647692528676655900577_f32;
 
     /// π/2

diff --git a/src/libcore/num/f64.rs b/src/libcore/num/f64.rs
index 6f1af2cbb811a88b31e79a1c72e478581846e401..f093bae9590eab2939bb61e6ada2faf2ad3631a6 100644 (file)
--- a/src/libcore/num/f64.rs
+++ b/src/libcore/num/f64.rs
@@ -78,7 +78,7 @@ pub mod consts {
     /// The full circle constant (τ)
     ///
     /// Equal to 2π.
-    #[unstable(feature = "tau_constant", issue = "0")]
+    #[unstable(feature = "tau_constant", issue = "66770")]
     pub const TAU: f64 = 6.28318530717958647692528676655900577_f64;
 
     /// π/2